2024-06-04
Energy security is related to the national economy and people's livelihood, and it is a "big country" that cannot be ignored for a moment ". In June 2014, General Secretary Xi Jinping put forward a new energy security strategy of "four revolutions and one cooperation", which clarified the strategic direction of my country's energy development and provided a fundamental follow for my country's overall energy development and high-level security.
2024-06-04
On June 3, Shandong Zhongneng Engineering Construction Co., Ltd. (hereinafter referred to as Zhongneng Company) held the launching ceremony of the safety production month activity and the publicity launching ceremony. The ceremony was presided over by Wang Zong, chairman and general manager of Zhongneng Company, and Feng Zong, who was in charge of engineering quality and safety work, respectively. All employees of the company attended and signed in.
2024-06-04
On May 31, the second phase of 2024 Shandong energy industry coordinated development docking meeting was held in Jinan. On the same day, the Shandong Provincial Energy Bureau issued the ''2024 Shandong Energy Field Large-scale Equipment Update and New Technology, New Products and New Equipment recommend Catalogue'' to actively promote technological innovation in the energy field of our province, accelerate the transformation of results, and improve the modernization level and market competitiveness of the energy industry.
2024-05-30
In September 2020, President Xi Jinping made a solemn commitment to the world on behalf of China: China's carbon dioxide emissions will reach a peak by 2030 and strive to achieve carbon neutrality by 2060. Since then, all parts of our country have set off an upsurge of striving to achieve the "double carbon" goal, and have made a lot of manpower and material resources for this purpose. This shows that China's attitude towards this "double carbon" goal is very serious, and the international community should have full confidence in our country, which "needs to make the largest carbon emission reduction in the world in a short period of time. But at the same time, we should also deeply realize that: root
China's installed power capacity exceeds 3 billion kilowatts
2024-05-28
According to the latest national power industry statistics released by the National Energy Administration on May 23, as of the end of April, my country's cumulative installed power generation capacity exceeded the 3 billion-kilowatt mark, reaching about 3.01 billion kilowatts, achieving another milestone in the scale of power installed capacity. In 2014, General Secretary Xi Jinping proposed a new energy security strategy of "four revolutions and one cooperation. Over the past decade, China's energy system has comprehensively promoted the structural reform of the energy supply side, continuously increased high-quality and effective supply, and improved the ability to guarantee energy security supply. After exceeding 1 billion kilowatts in 2011, China's installed power generation capacity exceeded 1.2 billion kilowatts in 2013, surpassing the United States to become the country with the largest installed power generation capacity in the world, and exceeding 2 billion kilowatts by the end of 2019. The transformation of the installed power generation structure shows the development trend of green and low-carbon energy, and highlights the remarkable achievements of China's new energy development. As of the end of April, China's solar power installed capacity of about 0.67 billion kilowatts, wind power installed capacity of about 0.46 billion kilowatts. The installed capacity of wind power solar power generation accounts for about 37.5 per cent of the country's installed capacity. my country's new energy and renewable energy power generation installed capacity exceeded 1.5 billion kilowatts and reached 1.52 billion kilowatts at the end of 2023, historically surpassing thermal power installed capacity and becoming the main body of power installed capacity, accounting for more than 50% of the country's total installed power generation capacity.
2024-05-27
On the afternoon of May 22, the Shandong Huaneng Party Branch organized a special meeting on party discipline study and education, and held a signing ceremony for the letter of responsibility for comprehensive and strict governance of the party. The purpose of this activity is to further promote the building of the party's work style and clean government, strengthen the comprehensive and strict administration of the party, and ensure that the party's discipline is strict and effective. At the beginning of the meeting, Comrade Wang Youmei conveyed the spirit of the important instructions of General Secretary Xi Jinping's important speech on party discipline study and education and the spirit of the central and provincial party committees on party discipline study and education, and emphasized the importance and urgency of party discipline study and education. In the deployment of the next party discipline study and education activities, Secretary Zhang Fuquan put forward specific requirements and measures. He asked all party groups to formulate detailed learning plans, clarify the content, time and methods of learning; organize special lectures, seminars and other activities, invite experts and scholars to give lectures; and carry out various forms of practical activities. Another important agenda of the meeting is the signing ceremony of the letter of responsibility for comprehensively and strictly administering the party. The party branch secretary signed a letter of responsibility for comprehensively and strictly governing the party with party branch members and party group leaders. The letter of responsibility clarifies the responsibilities and tasks of party members and cadres in administering the party strictly, and requires everyone to strictly abide by party discipline, faithfully perform their duties, and ensure that party building and various tasks are implemented. At the signing ceremony, the representative of the party branch secretary said in a speech that all party members and leading cadres should take this signing of the letter of responsibility as an opportunity to conscientiously implement the responsibility system for building a clean and honest party style, and earnestly do a good job in building a clean and honest party style and within the scope of their duties. They have expressed that they will give full play to their exemplary role, conduct regular self-inspection, self-warning, and self-restraint against the letter of responsibility, and take practical actions to promote the comprehensive and strict governance of the party to in-depth development.
Newsletter: Jiangsu Shuangliang Boiler Co., Ltd. Team Visits Our Company for Exchange and Visit
2024-05-23
On May 17, Jiangsu Shuangliang Boiler Co., Ltd. represented a group of 5 people to Shandong Huaneng Design Institute Co., Ltd. for inspection and exchange. First, I visited the company's office environment, learned about the entrepreneurial process and corporate culture of Shandong Huaneng Design Institute Co., Ltd., and then had a discussion. At the symposium, Zhang Dan, general manager of the second design company, introduced the basic situation of the company from three aspects: company profile, corporate culture and project overview, and expounded the highlights and characteristics of our company's design project. Jiangsu Shuangliang boiler owners are optimistic about the technical advantages and market prospects of our company. The technical director of the fourth-class design department introduced the progress of the deepening design content of the project contracted by our company to the representative of Jiangsu Shuangliang Boiler. The two sides made further exchanges and docking on the direction of electric boilers and reached a number of consensus. The meeting deepened the understanding of both sides and laid a good foundation for future cooperation.
2024-05-22
New Carbon Point Shandong Open Source Carbon Neutrality and Environmental Protection Science and Technology Research Center focuses on research on policies, technologies and products in the field of carbon neutrality, promotes the transformation and application of carbon neutrality technology achievements, carries out green certification, green financial services and dual carbon training services, provides policy advice to the government, and customizes green transformation programs for enterprises. The People's Government of Shandong Province recently issued a notice on the issuance of the "Top Ten Innovations", "Top Ten Industries" and "Top Ten Demand Expansion" Action Plan (2024-2025). In the "Factor Guarantee Innovation Action Plan (2024-2025)", the "two high" industry provinces.
Domestic "first largest" hedge combustion tower boiler application made a new breakthrough
2024-05-20
A few days ago, Dongfang Electric Group Dongfang Boiler Co., Ltd. (hereinafter referred to as "Dongfang Boiler") innovated hedge combustion tower boiler technology and successfully won the bid for the boiler equipment procurement project of Unit 5 and Unit 6 of China Huaneng Group Co., Ltd. (hereinafter referred to as "Huaneng Haimen Power Plant"), which is a 2 × 1000 MW high-efficiency ultra-supercritical once-reheat coal-fired generating unit, it is the first large-capacity ultra-supercritical unit with hedge combustion tower boiler in China. Huaneng Haimen Power Plant 1~4 million units were put into operation from 2009 to 2012, and the three main engine equipment were supplied by China Dongfang Electric Group Co., Ltd. (hereinafter referred to as "Dongfang Electric"). The winning of the bid for boiler equipment of units 5 and 6 is a major breakthrough in the market of Dongfang Boiler's million-tower boiler, and it is also a major breakthrough in the first set of the largest hedge combustion tower boiler in China. The hedge combustion tower boiler developed by Dongfang Boiler organically integrates the advantages of tower arrangement and hedge combustion mode, and has better and more advanced flexibility and peak adjustment adaptability, which is of great significance to further enrich the technical route of coal-fired electric boilers in China and promote coal-fired power generation to better adapt to the needs of new power systems. Hedge combustion tower boilers have the characteristics of lower peak depth, higher wide load economy and lower wide load emissions. 01 lower peak load, can achieve a minimum of 20% THA peak load. The new fourth-generation OPCC cyclone combustion technology with external separation is adopted to realize automatic control of the concentration of primary air powder at ultra-low load, and the ultra-low load conversion DC technology of internally threaded tube spiral tube coil and intermediate fully mixed tower structure water-cooled wall is adopted to realize lower peak load. 02 wide load economy is higher, can achieve 20% ~ 100 load main steam up to rated steam temperature. Break through the traditional hedge combustion boiler coal mill and burner single-layer layout corresponding to the design concept, the use of any coal mill combination under the full operating conditions of the uniform hedge combustion technology, the load deviation is smaller, the steam temperature capacity is stronger, to achieve wide load economy is higher. 03 wide load emissions are lower, can achieve the lowest stable combustion load NOx emissions are not higher than the rated load. The low power burner technology of single burner flame reduction is adopted, and the low and medium load NOx emission is lower through the uniform layout of the burner. Dongfang Boiler will continue to carry forward the "Dongqi Spirit", continue to strengthen technological innovation, practice the mission of central enterprises, live up to customer expectations, carefully organize and deliver on schedule, and turn the project into a "boutique project" and "model project". Create world-class products, promote the transformation and upgrading of China's coal power industry, and promote the high-quality development of the energy industry.
2024-05-16
5月11日,山东省人民政府发布关于印发“十大创新”“十强产业”“十大扩需求”行动计划(2024—2025年)的通知。其中,要素保障创新行动计划(2024—2025年)、新能源产业行动计划(2024-2025年)两个计划涉及到山东新能源发展计划、政策相关规定。 《新能源产业行动计划(2024-2025年)》明确了山东省风电、光伏、储能、氢能的发展目标与进度。其中提出,集散并举发展光伏。以海上光伏、鲁北盐碱滩涂地风光储输一体化、鲁西南采煤沉陷区“光伏+”等大型基地为重点,加快探索海上光伏规模化开发,积极推进鲁北基地项目建设,推动国家第三批风光基地项目建成并网。推广德州齐河、临沂沂水、潍坊诸城等一批试点县的成熟开发模式,持续推动整县分布式光伏规模化开发。2024年,光伏装机达到6400万千瓦左右,2025年达到7000万千瓦左右。海陆并进发展风电。围绕打造山东半岛海上风电基地,加快推动省管海域项目建设,建成渤中G一期等项目;积极开展国管海域项目前期工作,待具备条件后及时启动项目建设。围绕打造鲁西平原地区陆上风电带,加快推动菏泽、聊城等6市首批集中式风电项目落地,适时启动第二批项目开发建设。实施“以大代小、以新代旧”,有序推进陆上风电改造升级,提高现役风电场资源利用效率和发电水平。2024年,风电装机达到2700万千瓦左右,2025年达到3000万千瓦。 多元化规模化发展储能。大力实施电化学储能百万千瓦行动计划,加快推进压缩空气储能建设,加强全钒液流电池、熔盐储热等新技术应用,开展“云储能”建设试点,推动新型储能多元化规模化发展。建成投用中核寒亭、京能荣成电化学储能、中储国能30万千瓦泰安压缩空气储能等项目,开工建设中国能建35万千瓦、中国电建2×30万千瓦压缩空气储能等项目。2024年,新型储能规模达到500万千瓦以上,2025年达到600万千瓦以上。 创新示范发展氢能。以交通领域为重点,加快氢燃料电池汽车在公共交通、物流运输、港口园区等领域推广应用。持续推进“氢进万家”科技工程,加快青岛港“氢能港口”、济南氢燃料电池热电联供、济青北线“氢能高速”等项目建设,拓展氢能应用场景。依托风光核大型清洁能源基地,探索开展清洁能源制氢试点。 《要素保障创新行动计划(2024—2025年)》指出,要完善新能源和可再生能源增量指标统筹配给政策。 其中,对于全省统筹布局建设的海上风电项目,建成投用后形成的能源增量,50%由省级统筹,50%留给所在市,对于登陆点、并网点分属不同市的海上风电项目,按各25%留给登陆点、并网点所在市;对光伏发电等其他可再生能源项目,建成投用后形成的能源增量全部留给所在市,可再生能源消费量不纳入各市能耗双控考核范围;对“十四五”期间,建成投用的核电机组能源增量,50%由省级统筹,50%留给所在市,留给各市的新能源能耗指标增量,除国家和省级布局建设的重大项目外,应全部用于非“两高”项目建设。 同时要加大能源绿色低碳发展支持力度。支持核电加快发展,最大化给予核电机组发电小时数和优先发电量计划。优化海上光伏储能配置,2025年年底前建成并网的海上光伏项目,免于配置储能设施。推进中深层地热能项目建设,按照“先建设、后补贴”原则,省级与项目所在市给予一定资金补贴。在农业生产用电中试行“五段式”分时电价政策,引导农业用户主动参与电网调峰和促进新能源消纳。 从当前装机水平来看,截至2024年一季度,山东省光伏累计装机60GW,其中集中式16.69GW、分布式光伏43.46GW,属于典型的分布式光伏发展大省。 此次文件重点指出集散并举发展光伏,旨在将光伏发展重点逐步向集中式发展,但对于中东部省份来说,集中式光伏电站的发展受土地制约明显,所以以山东省为代表的沿海省份正逐步探索海上光伏项目的发展。此次文件明确也进一步提出了优化海上光伏储能配置的政策,2025年年底前建成并网的海上光伏项目,免于配置储能设施。 4月22日,山东能源局公示2024年光伏市场化并网项目名单,合计规模共10.51GW。从评审标准来看,山东此次市场化项目申报更着重前期工作进度(40分),包括环评、水土、地质、用地、用海审批租赁、防洪评价等,其中用地用海租赁需要明确租金和支付方式;储能配置、建设方案分别各占30分,其中储能配置得分不再设置优先级,统一按照容量比例排序。从申报文件可以看到,配置储能的类型分为大型独立储能、煤电灵活性改造、电化学储能、燃气机组、租赁共享储能以及制氢设备六种。 从业主单位来看,国家电投、华电、华能、山东财金、通威领衔,其中国家电投、华电规模均超过1GW。此次竞配入围企业较多,10.51GW规模的项目指标共有超过50家企业入围,除了五大六小之外,山东能源、山东高速、山东铁发以及多家地方城投均有参与其中。 原文见下(节选): 山东省人民政府关于印发“十大创新”“十强产业”“十大扩需求”行动计划(2024—2025年)的通知鲁政发〔2024〕5号 各市人民政府,各县(市、区)人民政府,省政府各部门、各直属机构,各大企业,各高等院校:《“十大创新”行动计划(2024—2025年)》《“十强产业”行动计划(2024—2025年)》《“十大扩需求”行动计划(2024—2025年)》已经省委、省政府同意,现印发给你们,请认真抓好落实。 山东省人民政府2024年4月22日(此件公开发布) 新能源产业行动计划(2024-2025年) 一、总体目标 加快推动新能源产业跃升发展,实现综合实力显著提升,产业规模稳步增长。2024年,全省新能源和可再生能源发电装机达到1亿千瓦以上,新能源新材料产业营业收入达到1.45万亿元左右;2025年,装机规模达到1.1亿千瓦以上,新能源新材料产业营业收入达到1.5万亿元左右。 二、主要任务 (一)加快资源开发,筑牢产业发展基础。 1.安全提速发展核电。在确保绝对安全前提下,积极有序推进海阳、荣成、招远等核电厂址开发建设,推动三代及以上自主先进核电堆型规模化发展,打造胶东半岛千万千瓦级核电基地。扎实推进海阳核电二期工程等项目建设,开工石岛湾扩建一期工程;推动招远核电一期等项目核准,加强储备厂址保护和研究论证,形成梯次接续、压茬推进开发局面。2024年,核电装机达到415万千瓦,2025年达到570万千瓦。(牵头单位:省发展改革委、省工业和信息化厅、省生态环境厅、省能源局、省海洋局、国网山东省电力公司) 2.海陆并进发展风电。围绕打造山东半岛海上风电基地,加快推动省管海域项目建设,建成渤中G一期等项目;积极开展国管海域项目前期工作,待具备条件后及时启动项目建设。围绕打造鲁西平原地区陆上风电带,加快推动菏泽、聊城等6市首批集中式风电项目落地,适时启动第二批项目开发建设。实施“以大代小、以新代旧”,有序推进陆上风电改造升级,提高现役风电场资源利用效率和发电水平。2024年,风电装机达到2700万千瓦左右,2025年达到3000万千瓦。(牵头单位:省发展改革委、省能源局、省海洋局、国网山东省电力公司) 3.集散并举发展光伏。以海上光伏、鲁北盐碱滩涂地风光储输一体化、鲁西南采煤沉陷区“光伏+”等大型基地为重点,加快探索海上光伏规模化开发,积极推进鲁北基地项目建设,推动国家第三批风光基地项目建成并网。推广德州齐河、临沂沂水、潍坊诸城等一批试点县的成熟开发模式,持续推动整县分布式光伏规模化开发。2024年,光伏装机达到6400万千瓦左右,2025年达到7000万千瓦左右。(牵头单位:省发展改革委、省能源局、省海洋局、国网山东省电力公司) 4.多元化规模化发展储能。大力实施电化学储能百万千瓦行动计划,加快推进压缩空气储能建设,加强全钒液流电池、熔盐储热等新技术应用,开展“云储能”建设试点,推动新型储能多元化规模化发展。建成投用中核寒亭、京能荣成电化学储能、中储国能30万千瓦泰安压缩空气储能等项目,开工建设中国能建35万千瓦、中国电建2×30万千瓦压缩空气储能等项目。2024年,新型储能规模达到500万千瓦以上,2025年达到600万千瓦以上。(牵头单位:省发展改革委、省能源局、国网山东省电力公司) 5.创新示范发展氢能。以交通领域为重点,加快氢燃料电池汽车在公共交通、物流运输、港口园区等领域推广应用。持续推进“氢进万家”科技工程,加快青岛港“氢能港口”、济南氢燃料电池热电联供、济青北线“氢能高速”等项目建设,拓展氢能应用场景。依托风光核大型清洁能源基地,探索开展清洁能源制氢试点。(牵头单位:省发展改革委、省工业和信息化厅、省科技厅、省交通运输厅、省能源局、国网山东省电力公司) (二)完善装备链条,提升产业配套能级。 6.做强核电装备产业。依托烟台、威海等市核电厂址资源优势和产业基础,充分发挥国家电投核能总部集聚作用,吸引核电央企及配套装备企业落户山东,促进产业链协同联动发展。着眼三代及以上先进核电技术项目建设,提升主管道、法兰、风机、仪器仪表、电缆等配套装备研发制造能力,做强设计、制造、采购等产业链条,打造本地化设备供应和上下游配套体系,培育完善核电产业链供应链。(牵头单位:省发展改革委、省工业和信息化厅、省能源局) 7.做优风电装备产业。充分考虑各地资源禀赋、区位优势、产业基础,实施省级“窗口指导”,推动风电产业错位发展、联合发展。紧盯国内头部企业,引进落地一批“龙头型”企业、“补链式”项目,打造风电装备全产业链条。重点在烟台、东营、威海、滨州等市布局建设风电装备整机及关键零部件研发制造基地,建成5-30MW风电机组试验及生产线,具备海上18MW级、陆上10MW级大容量风机批量生产能力,开展深远海漂浮式风电机组试验应用。(牵头单位:省发展改革委、省工业和信息化厅、省能源局) 8.做新光伏装备产业。在鲁北盐碱滩涂地风光储输一体化、鲁西南采煤沉陷区“光伏+”基地等区域布局高效光伏组件项目,推动光伏装备就地就近配套。在环渤海、沿黄海区域开展海上光伏实证试验探索。鼓励钙钛矿电池等新技术研发及商业化落地,推动“钙钛矿光伏+”多场景应用,壮大钙钛矿电池产业规模。(牵头单位:省发展改革委、省科技厅、省工业和信息化厅、省能源局) 9.做大储能装备产业。立足各地产业基础,加快培育一批各具特色的产业聚集高地。在材料生产环节,重点推动东营电化学储能产业园、滨州万润锂电新材料基地等项目建设。在设备制造环节,重点打造泰安压缩空气储能装备制造产业园、济宁宁德时代新能源产业基地、潍坊液流储能产业园、新型储能沂蒙绿谷和淄博齐鲁储能谷。在储能集成环节,重点打造山东电工电气储能产业基地、青岛先进储能产业集聚区和烟台数字储能产业园区。(牵头单位:省发展改革委、省工业和信息化厅、省能源局) 10.做实氢能装备产业。着眼提升氢能“制储运加用”各环节装备制造水平,推动全链条协同联动发展,重点在青岛、潍坊、淄博等市建设燃料电池及动力系统规模化生产基地,在济南、青岛、聊城等市发展燃料电池整车制造,加快济南黄河流域氢能产业基地、青岛氢能产业园、淄博燃料电池用质子交换膜产业化项目建设,打造形成坚实完备的氢能装备产业链。(牵头单位:省发展改革委、省工业和信息化厅、省能源局) (三)强化科技创新,激发产业内生动力。 11.加强关键技术攻关。深入实施“核动未来”科技工程,重点攻克关键仪控装备等“卡脖子”技术难题,探索开展核能在工业供汽、海水淡化等方面的应用。依托“氢进万家”科技工程,加快推动氢气储运、氢燃料电池及关键材料等技术研发应用。开展先进压缩空气储能、兆瓦级液流电池等应用。(牵头单位:省发展改革委、省科技厅、省工业和信息化厅、省能源局) 12.加快创新平台建设。鼓励创新型龙头企业、高校、科研院所建设省级以上新能源领域重点实验室、技术创新中心、工程研究中心、产业创新中心等高能级创新平台。支持山东能源研究院、山东省先进核能技术创新中心、国家燃料电池技术创新中心等平台发展。指导各市在优势领域整合资源,布局建设一批新型研发机构。(牵头单位:省发展改革委、省科技厅、省能源局) 13.加大人才引育力度。聚焦核能、氢能、储能等领域,加大行业领军人才、高端创新人才、高素质管理人才、高技术高
2024-05-14
Ministry of Finance, General Administration of Taxation Announcement No. 2 Validity of 2024: Full Text Effective Release Date: 2024-04-17 Source: State Administration of Taxation Name: [Large] [Medium] [Small] [Print This Page] [Text Download] Share: In order to support the innovation and development of enterprises, the personal income tax policies related to equity incentives of listed companies are hereby announced as follows: 1. stock options, restricted stocks and equity awards granted to individuals by domestic listed companies, after filing with the competent tax authorities, individuals may pay personal income tax within a period of not more than 36 months from the date of exercise of stock options, lifting of the ban on restricted stocks or obtaining equity awards (hereinafter referred to as exercise). Taxpayers who leave their jobs within this period shall pay all taxes before leaving their jobs. 2. The term "domestic listed companies" as mentioned in this announcement refers to companies limited by shares whose shares are listed and traded on the Shanghai Stock Exchange, Shenzhen Stock Exchange and Beijing Stock Exchange. 3. This announcement will be implemented from January 1, 2024 to December 31, 2027. If taxpayers exercise their rights during this period, they can implement the provisions of this announcement. Taxpayers who exercise their rights after January 1, 2023 and have not yet paid all the taxes may be implemented in accordance with the provisions of this announcement, and the time limit for paying taxes in installments shall be calculated from the date of their own right. 4. the securities regulatory authorities and the tax authorities to establish an information sharing mechanism to share information on equity incentives of listed companies with the tax authorities on a quarterly basis, and the financial, tax and securities regulatory authorities to jointly implement the policy. 5. the following documents or provisions shall be repealed at the same time: (I), Item (I) of Article 2 of the Notice of the Ministry of Finance and the State Administration of Taxation on Improving the Relevant Income Tax Policies for Equity Incentives and Technology Shareholding (No. 101, [2016] of the Ministry of Finance). (II) of the Ministry of Finance and the State Administration of Taxation on Zhongguancun National Independent Innovation Demonstration Zone Core Area (Haidian Park) Equity Incentive Installment Tax Policy Notice (Ministry of Finance [2022] No. 16). It is hereby announced. Ministry of Finance, General Administration of Taxation, April 17, 2024
China's first large-capacity sodium-ion battery energy storage power station put into operation
2024-05-13
▲ China's first large-capacity sodium ion battery energy storage power station-Volin sodium ion battery energy storage power station was completed and put into operation in Nanning, Guangxi. Photo by Liang Lei On May 11, it was learned from China Southern Power Grid that my country's first large-capacity sodium ion battery energy storage power station, the Volin sodium ion battery energy storage power station, was completed and put into operation in Nanning, Guangxi. This is the national key research and development plan "100 megawatt-hour sodium ion battery energy storage technology" project demonstration project. Through independent innovation, sodium ion battery technology has been applied to large-capacity energy storage power stations for the first time. The commissioning of the project marks a key breakthrough in the large-scale energy storage engineering technology of sodium ion batteries. Independent research and development of large capacity




