CN103078090A - 一种锂离子动力电池复合负极材料及其制备方法 - Google Patents
一种锂离子动力电池复合负极材料及其制备方法 Download PDFInfo
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103633303A (zh) * | 2013-11-21 | 2014-03-12 | 封锡胜 | 包覆改性的锂离子电池阳极材料 |
CN104425822A (zh) * | 2013-09-11 | 2015-03-18 | 宁波杉杉新材料科技有限公司 | 一种锂离子电池石墨负极材料及其制备方法 |
CN104733705A (zh) * | 2013-12-20 | 2015-06-24 | 上海杉杉科技有限公司 | 锂离子动力电池用负极材料及其制备方法 |
CN106252627A (zh) * | 2016-08-30 | 2016-12-21 | 浙江和也健康科技有限公司 | 一种锂离子动力电池负极材料的制备方法 |
CN106531979A (zh) * | 2015-11-16 | 2017-03-22 | 上海杉杉科技有限公司 | 一种高倍率性能锂离子电池负极材料的制备方法 |
CN107408698A (zh) * | 2015-03-23 | 2017-11-28 | 株式会社Lg 化学 | 负极活性材料和其制备方法 |
CN109037603A (zh) * | 2018-06-13 | 2018-12-18 | 福建翔丰华新能源材料有限公司 | 一种新型的沥青基球形多孔掺杂改性硬碳负极材料的方法 |
CN109616639A (zh) * | 2018-12-05 | 2019-04-12 | 中南大学 | 一种硬碳包覆膨胀微晶石墨材料及其制备方法和在钠离子电池中的应用 |
CN110504436A (zh) * | 2019-08-30 | 2019-11-26 | 石家庄尚太科技有限公司 | 一种快充石墨复合材料的制备方法 |
CN111613785A (zh) * | 2020-05-28 | 2020-09-01 | 贝特瑞新材料集团股份有限公司 | 复合包覆负极材料及其制备方法和锂离子电池 |
CN111785935A (zh) * | 2019-04-03 | 2020-10-16 | 江苏载驰科技股份有限公司 | 一种锂离子电池负极复合材料的制备方法 |
CN111900454A (zh) * | 2020-06-28 | 2020-11-06 | 浙江工业大学 | 一种高循环性能和倍率性能的锂离子电池 |
CN112573517A (zh) * | 2020-12-03 | 2021-03-30 | 铜仁学院 | 一种沥青基硬碳包覆天然石墨负极材料的制备方法 |
CN113437278A (zh) * | 2021-07-29 | 2021-09-24 | 江西紫宸科技有限公司 | 一种石墨负极材料及其制备方法和应用 |
CN114447305A (zh) * | 2022-01-29 | 2022-05-06 | 辽宁中宏能源新材料股份有限公司 | 一种多元碳基快充负极复合材料及其制备方法 |
CN114843508A (zh) * | 2021-02-02 | 2022-08-02 | 贝特瑞新材料集团股份有限公司 | 改性天然石墨材料及其制备方法、负极极片和锂离子电池 |
WO2022188818A1 (zh) * | 2021-03-10 | 2022-09-15 | 贝特瑞新材料集团股份有限公司 | 石墨复合材料、其制备方法与锂离子电池 |
CN115579470A (zh) * | 2022-10-24 | 2023-01-06 | 赣州市瑞富特科技有限公司 | 一种改性沥青包覆微晶石墨负极材料及其制备方法 |
CN116666639A (zh) * | 2023-08-02 | 2023-08-29 | 天津力神电池股份有限公司 | 硬碳电极材料及其制备方法、电池 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001006662A (ja) * | 1999-06-22 | 2001-01-12 | Dainippon Ink & Chem Inc | リチウム二次電池用負極材及びその製造方法 |
CN102231434A (zh) * | 2011-05-20 | 2011-11-02 | 河南思维能源材料有限公司 | 一种锂离子电池改性天然石墨负极材料及其制备方法 |
-
2013
- 2013-03-01 CN CN201210507903.XA patent/CN103078090B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001006662A (ja) * | 1999-06-22 | 2001-01-12 | Dainippon Ink & Chem Inc | リチウム二次電池用負極材及びその製造方法 |
CN102231434A (zh) * | 2011-05-20 | 2011-11-02 | 河南思维能源材料有限公司 | 一种锂离子电池改性天然石墨负极材料及其制备方法 |
Cited By (30)
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CN104425822B (zh) * | 2013-09-11 | 2018-11-09 | 宁波杉杉新材料科技有限公司 | 一种锂离子电池石墨负极材料及其制备方法 |
CN104425822A (zh) * | 2013-09-11 | 2015-03-18 | 宁波杉杉新材料科技有限公司 | 一种锂离子电池石墨负极材料及其制备方法 |
CN103633303A (zh) * | 2013-11-21 | 2014-03-12 | 封锡胜 | 包覆改性的锂离子电池阳极材料 |
CN104733705A (zh) * | 2013-12-20 | 2015-06-24 | 上海杉杉科技有限公司 | 锂离子动力电池用负极材料及其制备方法 |
CN107408698B (zh) * | 2015-03-23 | 2020-12-01 | 株式会社Lg 化学 | 负极活性材料和其制备方法 |
CN107408698A (zh) * | 2015-03-23 | 2017-11-28 | 株式会社Lg 化学 | 负极活性材料和其制备方法 |
CN106531979A (zh) * | 2015-11-16 | 2017-03-22 | 上海杉杉科技有限公司 | 一种高倍率性能锂离子电池负极材料的制备方法 |
CN106252627A (zh) * | 2016-08-30 | 2016-12-21 | 浙江和也健康科技有限公司 | 一种锂离子动力电池负极材料的制备方法 |
CN109037603A (zh) * | 2018-06-13 | 2018-12-18 | 福建翔丰华新能源材料有限公司 | 一种新型的沥青基球形多孔掺杂改性硬碳负极材料的方法 |
CN109037603B (zh) * | 2018-06-13 | 2020-02-14 | 福建翔丰华新能源材料有限公司 | 一种新型的沥青基球形多孔掺杂改性硬碳负极材料的方法 |
CN109616639A (zh) * | 2018-12-05 | 2019-04-12 | 中南大学 | 一种硬碳包覆膨胀微晶石墨材料及其制备方法和在钠离子电池中的应用 |
CN109616639B (zh) * | 2018-12-05 | 2020-07-07 | 中南大学 | 一种硬碳包覆膨胀微晶石墨材料及其制备方法和在钠离子电池中的应用 |
CN111785935A (zh) * | 2019-04-03 | 2020-10-16 | 江苏载驰科技股份有限公司 | 一种锂离子电池负极复合材料的制备方法 |
CN110504436B (zh) * | 2019-08-30 | 2020-10-16 | 石家庄尚太科技有限公司 | 一种快充石墨复合材料的制备方法 |
CN110504436A (zh) * | 2019-08-30 | 2019-11-26 | 石家庄尚太科技有限公司 | 一种快充石墨复合材料的制备方法 |
CN111613785A (zh) * | 2020-05-28 | 2020-09-01 | 贝特瑞新材料集团股份有限公司 | 复合包覆负极材料及其制备方法和锂离子电池 |
CN111900454A (zh) * | 2020-06-28 | 2020-11-06 | 浙江工业大学 | 一种高循环性能和倍率性能的锂离子电池 |
CN111900454B (zh) * | 2020-06-28 | 2021-11-23 | 浙江工业大学 | 一种高循环性能和倍率性能的锂离子电池 |
CN112573517A (zh) * | 2020-12-03 | 2021-03-30 | 铜仁学院 | 一种沥青基硬碳包覆天然石墨负极材料的制备方法 |
CN114843508A (zh) * | 2021-02-02 | 2022-08-02 | 贝特瑞新材料集团股份有限公司 | 改性天然石墨材料及其制备方法、负极极片和锂离子电池 |
CN115084456A (zh) * | 2021-03-10 | 2022-09-20 | 贝特瑞新材料集团股份有限公司 | 石墨复合材料、其制备方法与锂离子电池 |
CN115084456B (zh) * | 2021-03-10 | 2023-09-19 | 贝特瑞新材料集团股份有限公司 | 石墨复合材料、其制备方法与锂离子电池 |
WO2022188818A1 (zh) * | 2021-03-10 | 2022-09-15 | 贝特瑞新材料集团股份有限公司 | 石墨复合材料、其制备方法与锂离子电池 |
CN113437278A (zh) * | 2021-07-29 | 2021-09-24 | 江西紫宸科技有限公司 | 一种石墨负极材料及其制备方法和应用 |
CN114447305B (zh) * | 2022-01-29 | 2023-08-08 | 辽宁中宏能源新材料股份有限公司 | 一种多元碳基快充负极复合材料及其制备方法 |
CN114447305A (zh) * | 2022-01-29 | 2022-05-06 | 辽宁中宏能源新材料股份有限公司 | 一种多元碳基快充负极复合材料及其制备方法 |
CN115579470A (zh) * | 2022-10-24 | 2023-01-06 | 赣州市瑞富特科技有限公司 | 一种改性沥青包覆微晶石墨负极材料及其制备方法 |
CN115579470B (zh) * | 2022-10-24 | 2023-09-12 | 赣州市瑞富特科技有限公司 | 一种改性沥青包覆微晶石墨负极材料及其制备方法 |
CN116666639A (zh) * | 2023-08-02 | 2023-08-29 | 天津力神电池股份有限公司 | 硬碳电极材料及其制备方法、电池 |
CN116666639B (zh) * | 2023-08-02 | 2023-11-03 | 天津力神电池股份有限公司 | 硬碳电极材料及其制备方法、电池 |
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