Article(id=1194645352402887152, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1194655769917367247, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20240138, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1762755247450, onlineDateStr=2025-11-10, pubDate=1746374400000, pubDateStr=2025-05-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762755247450, onlineIssueDateStr=2025-11-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762755247450, creator=13701087609, updateTime=1762755247450, updator=13701087609, issue=Issue{id=1194655769917367247, tenantId=1146029695717560320, journalId=1189645257101713411, year='2025', volume='', issue='5', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762757731179, creator=13701087609, updateTime=1762757731179, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=51, endPage=54, ext={EN=ArticleExt(id=1194645352600019443, articleId=1194645352402887152, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Current Status and Development Challenges of Solid-State Battery Industry at Home and Abroad, columnId=null, journalTitle=Automotive Digest, columnName=null, runingTitle=null, highlight=null, articleAbstract=
As a key technology of next-generation power battery, solid-state batteries can meet the full-scene, all-climate, and high-safety requirements of new energy vehicles. To support the high-quality development of the solid-state battery industry, it is essential to systematically sort out the main technical routes of solid-state batteries, as well as the policy support and development status of domestic and foreign enterprises. The common technical and cost-related problems in the industry should be identified. The development of China’s solid-state battery industry is confronted with challenges such as patent constraints, an incomplete standard system, and potential impacts on existing liquid-state battery industries. In the future, it is urgent to plan and coordinate efforts, mobilize industry forces, and take multiple measures to accelerate the technological breakthroughs and industrial application of solid-state batteries.
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固态电池作为下一代动力电池的关键技术,能够满足新能源汽车全场景、全气候、高安全的使用需求。为了支撑固态电池产业高质量发展,系统梳理固态电池主要技术路线,以及国内外政策支持和主要企业发展现状,提炼出当前行业存在的技术、成本的共性难题,总结出我国固态电池产业发展面临专利受制约、标准体系不健全、现有液态电池产业可能被冲击等挑战。未来,亟需统筹谋划,汇聚行业力量,多措并举加快固态电池技术攻关及产业化应用。
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| 类型 | 聚合物 | 氧化物 | 硫化物 |
| 电解质材料 | 聚环氧乙烷、聚丙烯腈等 | LiPON(聚合锂磷氧氮)、NaSiCON(钠超离子导体)等 | LiGPS(锂锗磷硫)、LiSnPS(锂锡磷硫)、LiSiPS(锂硅磷硫)等 |
| 离子电导率/S·cm-1 | 室温:10-7~10-5;高温:10-4 | 10-6~10-3 | 10-7~10-2 |
| 优点 | 高温下工作性能好,柔韧性好,易大规模制备薄膜 | 机械强度高,热稳定性和空气稳定性好,电化学窗口宽 | 室温电导率高,延展性好,可以通过掺杂、包覆提高稳定性 |
| 缺点 | 常温下电导率低(<4 V),电化学窗口窄 | 材料总体电导率较低,界面接触差 | 易氧化,界面稳定性较差 |
| 主要企业 | 以欧美企业为主,主要为Bollore、BatScap、Blue Solutions、Solid Energy等 | 以中国企业为主,主要为辉能科技(台湾)、赣锋锂电、卫蓝新能源、ProLogium、Quantum Scape等 | 以日韩企业为主,主要为丰田、三星、松下、Solid Power、宁德时代、比亚迪、蜂巢能源等 |
), ArticleFig(id=1194655776586305863, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194645352402887152, language=CN, label=表1, caption=
不同技术路线固态电解质特点及主要企业
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 聚合物 | 氧化物 | 硫化物 |
| 电解质材料 | 聚环氧乙烷、聚丙烯腈等 | LiPON(聚合锂磷氧氮)、NaSiCON(钠超离子导体)等 | LiGPS(锂锗磷硫)、LiSnPS(锂锡磷硫)、LiSiPS(锂硅磷硫)等 |
| 离子电导率/S·cm-1 | 室温:10-7~10-5;高温:10-4 | 10-6~10-3 | 10-7~10-2 |
| 优点 | 高温下工作性能好,柔韧性好,易大规模制备薄膜 | 机械强度高,热稳定性和空气稳定性好,电化学窗口宽 | 室温电导率高,延展性好,可以通过掺杂、包覆提高稳定性 |
| 缺点 | 常温下电导率低(<4 V),电化学窗口窄 | 材料总体电导率较低,界面接触差 | 易氧化,界面稳定性较差 |
| 主要企业 | 以欧美企业为主,主要为Bollore、BatScap、Blue Solutions、Solid Energy等 | 以中国企业为主,主要为辉能科技(台湾)、赣锋锂电、卫蓝新能源、ProLogium、Quantum Scape等 | 以日韩企业为主,主要为丰田、三星、松下、Solid Power、宁德时代、比亚迪、蜂巢能源等 |
), ArticleFig(id=1194655776653414728, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194645352402887152, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 排名 | 企业名称 | 国别 | 专利数量/件 |
| 1 | 丰田 | 日本 | 1 331 |
| 2 | 松下 | 日本 | 445 |
| 3 | 出光兴产 | 日本 | 272 |
), ArticleFig(id=1194655776724717897, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1194645352402887152, language=CN, label=表2, caption=
2000年至2022年3月全球固态电池专利排名
, figureFileSmall=null, figureFileBig=null, tableContent=
| 排名 | 企业名称 | 国别 | 专利数量/件 |
| 1 | 丰田 | 日本 | 1 331 |
| 2 | 松下 | 日本 | 445 |
| 3 | 出光兴产 | 日本 | 272 |
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