Article(id=1301137681858187684, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1301137643908128824, articleNumber=null, orderNo=null, doi=10.3981/j.issn.1000-7857.2025.12.00017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1764950400000, receivedDateStr=2025-12-06, revisedDate=1768492800000, revisedDateStr=2026-01-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1788144997323, onlineDateStr=2026-08-31, pubDate=1786550400000, pubDateStr=2026-08-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1788144997323, onlineIssueDateStr=2026-08-31, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1788144997323, creator=13701087609, updateTime=1788144997323, updator=13701087609, issue=Issue{id=1301137643908128824, tenantId=1146029695717560320, journalId=1146031591421210625, year='2026', volume='44', issue='15', pageStart='1', pageEnd='164', issueExtLink='null', onlineDate='null', pubDate='1786550400000', pubDateStr='2026-08-13', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1788144988276, creator='13701087609', updateTime=1788145858754, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1301141295053959998, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1301137643908128824, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1301141295053959999, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1301137643908128824, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=121, endPage=131, ext={EN=ArticleExt(id=1301137683535909285, articleId=1301137681858187684, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Analysis of technological innovation trends in solid−state lithium batteries based on patent data mining, columnId=1150494644690366681, journalTitle=Science & Technology Review, columnName=Papers, runingTitle=null, highlight=null, articleAbstract=
Solid−state lithium battery technology is an emerging field expected to overcome the current development bottlenecks of lithium−ion batteries and achieve "revolutionary innovation", which represents a critical area for major nations competing for dominance in "next−generation lithium battery technology". By analyzing global patent trends in solid−state lithium batteries, we can effectively grasp the international competitive landscape, identify key technological barriers and development opportunities, thereby providing support for the high−quality development and high−level security of China's related technologies and industries. Based on retrieval results from the IncoPat patent database, this paper integrates text mining with KeyBERT algorithm, CiteSpace visualization analysis, and Cooperative Patent Classification (CPC) analysis to conduct an in−depth investigation from perspectives of patent quantity, quality, and technology themes. The results indicate that patents in this field primarily originate from China, Japan, the United States, and the republic of Korea. China holds an absolute leading position in the quantity of technological achievements, but there remain deficiencies in technological integration and technological impact. The scope of legal protection remains relatively narrow, and the stability of patent rights needs to be improved. Furthermore, the patent deployment of Chinese entities is largely restricted to the domestic market, with limited adequacy in international patent deployment and constrained influence over the global market. The research focus and development pathways of major countries exhibit distinct priorities. Finally, recommendations for promoting the technological innovation and development of solid-state lithium battery in China are put forward from three aspects: clarify the directions of key technological breakthroughs and secure strategic positions in technological competition; strengthen patent deployment and standard formulation to enhance international discourse power; expand cooperation and exchange to aggregate innovation resources.
, authors=Wenting JIN
1, Zidong WEI
2, *, authorsList=Wenting JIN, Zidong WEI, authorCompany=null, correspAuthors=Zidong WEI, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1301137686199292346, articleId=1301137681858187684, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=基于专利数据挖掘的固态锂电池技术创新态势分析, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
固态锂电池技术是有望突破当前锂离子电池技术发展瓶颈,实现“革命性创新”的新兴技术,是各大国抢占“下一代锂电技术”制高点的关键领域。对全球固态锂电池专利技术进行分析,有助于把握该领域技术的国际竞争态势,识别关键技术壁垒与发展机遇,为中国相关技术、产业实现高质量发展和高水平安全提供支持。基于IncoPat专利数据库的检索结果,综合运用文本挖掘KeyBERT算法、CiteSpace可视化分析与合作专利分类(cooperative patent classification,CPC)分析等方法,从专利数量、质量、技术主题等角度展开深入研究。结果表明:该领域的专利技术主要来自中国、日本、美国、韩国;中国的技术成果数量处于绝对领先地位,但技术集成度、技术影响力仍存在不足,法律保护范围相对偏窄、专利权稳定性有待提升,且中国主体的专利布局主要局限于本国,国际专利布局的充分度以及对全球市场的影响力较为有限;各主要国家的研发主题和路径有着不同的侧重点。最后,从3个方面提出促进我国固态锂电池技术创新发展的建议:明确攻关方向,占领技术竞争的关键阵地;强化专利布局与标准构建,增强国际话语权;拓展合作交流,聚合创新要素。
, authors=靳文婷
1, 魏子栋
2, *, authorsList=靳文婷, 魏子栋, authorCompany=null, correspAuthors=魏子栋, authorNote=
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版权所有,未经授权,不得转载。, copyrightOwner=《科技导报》编辑部, extLink=null, articleAbsUrl=null, sourceXml=Lv2X8nvCYNEhUnB7wyr5LA==, magXml=ltADyrZB4EpfpPM/g7Q5ag==, pdfUrl=null, pdf=YORv68Gv/ETjT/7Q/SFxEQ==, pdfFileSize=2527284, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=zcbhWUvjSWhsOUCpgMXTZA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=7pRup5LxL7NLpN9whO5D2g==, mapNumber=null, fund=null)}, authors=[Author(id=1301137688250307010, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1301137681858187684, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1182845374@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1301137688342581700, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1301137681858187684, authorId=1301137688250307010, language=EN, stringName=Wenting JIN, firstName=Wenting, middleName=null, lastName=JIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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| 评价维度 | 具体指标 | 衡量维度 | | 指标意义 |
|---|
| 注:“大家族*”是指规模较大即成员数量较多的专利族。在本研究中,将包含10件及以上专利成员的专利家族定义为“大家族”。 |
| 技术质量 | 相对IPC小类数(RIi) | 技术的交叉性、集成度 | | RIi越大,表明专利涉及的创新领域越广,创新的交叉性、集成度越强 |
| 相对专利被引次数(RIc) | 技术基础性、开创性 | | RIc越大,说明专利技术的基础性和开创性越强,对后续技术的影响越大 |
| 法律质量 | 相对权利要求数(RId) | 权利保护范围、效力稳固性 | | RId越大,权利要求数量越多,专利保护范围越广、效力越稳固 |
| 相对有效专利数(RIv) | 专利权稳定性 | | RIv越大,意味着被撤销或宣告无效的情况越少,权利越稳定 |
| 市场质量 | 相对同族专利数(RIf) | 专利在国际市场上的影响力、竞争力 | | RIf越大、“大家族*”专利越多,意味着国际布局越充分,专利在国际市场上的影响力、竞争力越强 |
| 家族规模情况 | |
), ArticleFig(id=1301137692973093354, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1301137681858187684, language=CN, label=表1, caption=
专利质量的三维评价体系
, figureFileSmall=null, figureFileBig=null, tableContent=
| 评价维度 | 具体指标 | 衡量维度 | | 指标意义 |
|---|
| 注:“大家族*”是指规模较大即成员数量较多的专利族。在本研究中,将包含10件及以上专利成员的专利家族定义为“大家族”。 |
| 技术质量 | 相对IPC小类数(RIi) | 技术的交叉性、集成度 | | RIi越大,表明专利涉及的创新领域越广,创新的交叉性、集成度越强 |
| 相对专利被引次数(RIc) | 技术基础性、开创性 | | RIc越大,说明专利技术的基础性和开创性越强,对后续技术的影响越大 |
| 法律质量 | 相对权利要求数(RId) | 权利保护范围、效力稳固性 | | RId越大,权利要求数量越多,专利保护范围越广、效力越稳固 |
| 相对有效专利数(RIv) | 专利权稳定性 | | RIv越大,意味着被撤销或宣告无效的情况越少,权利越稳定 |
| 市场质量 | 相对同族专利数(RIf) | 专利在国际市场上的影响力、竞争力 | | RIf越大、“大家族*”专利越多,意味着国际布局越充分,专利在国际市场上的影响力、竞争力越强 |
| 家族规模情况 | |
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