Inorganic Chemicals Industry ›› 2022, Vol. 54 ›› Issue (7): 10-17.doi: 10.19964/j.issn.1006-4990.2021-0506
• Reviews and Special Topics • Previous Articles Next Articles
ZHAO Zhanyi1,2,3(),ZHONG Yongheng1,2,3(
),LIU Jia1,2,3,LI Xiaoyan1,2,3,YONG Meijing4
Received:
2021-08-23
Online:
2022-07-10
Published:
2022-07-14
Contact:
ZHONG Yongheng
E-mail:zhaozhanyi@mail.las.ac.cn;zyh@mail.whlib.ac.cn
CLC Number:
ZHAO Zhanyi,ZHONG Yongheng,LIU Jia,LI Xiaoyan,YONG Meijing. Research on global patent distribution and development countermeasures of lithium industry[J]. Inorganic Chemicals Industry, 2022, 54(7): 10-17.
Table 1
Analysis of highly cited patents in the lithium industry domestic and overseas"
项目 | 提锂技术 | 锂电池正极材料 | |||
---|---|---|---|---|---|
专利名称及当前权利人 | 被引次数 | 专利名称及当前权利人 | 被引次数 | ||
国外 | 高纯氢氧化锂生产方法;US,4036713A;FMC Corporation;失效 | 89 | 电极稳定的长寿命锂电池;US,20050019670A1;Chicago Argonne LLC;有效 | 145 | |
从卤水中回收锂;US,4159311A;FMC Corporation;失效 | 78 | 锂金属氧化物;US,6749648B1;Neophotonics Corporation;失效 | 144 | ||
提纯碳酸锂的方法;US,6048507A;Geothermal Energy Project LLC;失效 | 78 | 充电式锂电池电极;US,5418090A;Valence Technology Inc;失效 | 128 | ||
提纯碳酸锂的方法;US,20010028871A1;Sm Lithiun Equipment LLC;失效 | 75 | 二次锂电池;JP,2001210324A;Toyota Central;失效 | 113 | ||
利用含锂卤水生产低硼碳酸锂;US,5219550A;Credit Suisse First Boston;失效 | 73 | 包含 Li1+x Mn2O4阴极和碳阳极的充电式电池;US,5196279A;Valence Technology Inc;失效 | 111 | ||
中国 | 从含锂卤水中提取锂盐的方法;CN,103055539A;中国科学院上海有机化学研究所,中国科学院青海盐湖研究所;有效 | 66 | 纳米级磷酸亚铁锂/碳复合材料的制备方法;CN,101582498A;东北师范大学;失效 | 113 | |
吸附法从盐湖卤水中提取锂的方法;CN,1511964A; 中国科学院青海盐湖研究所;有效 | 53 | 多位掺杂型磷酸铁锂正极材料制备方法及应用;CN,101339994A;甘肃大象能源科技有限公司;有效 | 90 | ||
硫酸法锂云母提锂工艺中精硫酸锂溶液的生产方法;CN,101186968A;江西赣锋锂业有限公司;有效 | 47 | 一种石墨烯复合的锂离子电池正极材料磷酸铁锂及制备方法;CN,101562248A;龚思源;有效 | 85 | ||
采用萃取法从含锂卤水中提取锂盐的方法;CN,103055538A;中国科学院上海有机化学研究所,中国科学院青海盐湖研究所;有效 | 47 | 大容量高功率聚合物磷酸铁锂动力电池及其制备方法;CN,101409369A;东莞市迈科科技有限公司;失效 | 73 | ||
膜萃取-反萃从盐湖卤水和海水中提取碱金属的方法;CN,102312110A;何涛;南京奥特高科技有限公司;失效 | 41 | 一种掺入石墨烯的锂离子电池正极材料的制备方法;CN,101800310A;苏州格瑞丰纳米科技有限公司;有效 | 63 |
Table 2
Analysis of important patentees and technical points in the lithium industry domestic and overseas"
项目 | 提锂技术 | 锂电池正极材料 | ||||
---|---|---|---|---|---|---|
重要专利权人 | 技术关键词 | 重要专利权人 | 技术关键词 | |||
国外 | 美国康宁公司 | 玻璃陶瓷材料、离子交换、结晶相硅酸锂、锂铝硅酸盐玻璃 | 韩国LG集团 | 铁橄榄石、尖晶石、磷酸铁锂、钴氧化物、锰氧化物、多晶、锂镍锰钴复合氧化物、非水电解液、充电保护 | ||
美国雅宝公司 | 高密度水井液、锂盐、可溶性盐、纳滤、吸附 | 日本松下集团 | 锂镍锰钴氧化物、聚醚丙烯酸酯、预聚物、过渡金属氧化物、尖晶石型锂锰氧化物、充电容量 | |||
德国肖特公司 | 锂铝硅酸盐、玻璃熔体、低热膨胀 | 韩国三星集团 | 尖晶石、磷酸铁锂、锰氧化物、锰酸锂、锂镍钴氧化物、衍射峰、二次电池 | |||
法国Eramet公司 | 氯化锂溶液、锂盐、吸附材料、磷酸溶液 | 日本住友公司 | 氧化物、氢氧化物、钠含量、中和滴定法、锂锰氧化物、芳族聚酰胺 | |||
韩国浦项集团 | 盐水、碳酸锂、氢氧化锂、锂溶液、磷酸盐 | 日本丰田公司 | 混合物层、锂镍锰氧化物、磷酸锂、氟化锂、膨胀石墨、钛复合氧化物、高能量密度 | |||
中国 | 中国科学院青海盐湖研究所 | 盐湖提锂、矿石提锂、氢氧化锂、萃取、缓凝剂 | 合肥国轩高科动力能源公司 | 磷酸铁锂、煅烧、碳包覆、石墨烯、分离回收、改性 | ||
中南大学 | 盐湖提锂、锂合金、固相转化、吸附法、离子筛 | 比亚迪股份有限公司 | 磷酸铁锂、磷酸锰铁锂、电池包、能量密度 | |||
西藏国能矿业发展有限公司 | 矿石提锂、硫酸锂、硼砂矿、光卤石矿、碳酸卤水、自然能 | 中南大学 | 磷酸盐系、磷酸铁锂、纳米薄片、复合正极材料、大电流放电性能 | |||
江西南氏锂电新材料有限公司 | 矿石提锂、云母矿、碳酸锂、改性膨润土、净化除杂 | 清华大学 | 磷酸铁锂、掺杂金属离子、纳米、碳复合材料 | |||
江西赣锋锂业股份有限公司 | 锂辉石、单水氢氧化锂、纯碱、硫酸焙烧 | 山东精工电子科技有限公司 | 纳米磷酸铁、储能、架桥、正极浆料、低温 |
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