JP2019536246A5 - - Google Patents
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- JP2019536246A5 JP2019536246A5 JP2019528666A JP2019528666A JP2019536246A5 JP 2019536246 A5 JP2019536246 A5 JP 2019536246A5 JP 2019528666 A JP2019528666 A JP 2019528666A JP 2019528666 A JP2019528666 A JP 2019528666A JP 2019536246 A5 JP2019536246 A5 JP 2019536246A5
- Authority
- JP
- Japan
- Prior art keywords
- silicon
- carbon
- binder
- paste
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 63
- 239000011230 binding agent Substances 0.000 claims description 60
- 229910052710 silicon Inorganic materials 0.000 claims description 40
- 239000010703 silicon Substances 0.000 claims description 40
- 239000003094 microcapsule Substances 0.000 claims description 37
- 239000000843 powder Substances 0.000 claims description 34
- 239000002775 capsule Substances 0.000 claims description 31
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 26
- 239000006258 conductive agent Substances 0.000 claims description 24
- 239000011863 silicon-based powder Substances 0.000 claims description 23
- 239000011868 silicon-carbon composite negative electrode material Substances 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 239000003575 carbonaceous material Substances 0.000 claims description 18
- 239000002270 dispersing agent Substances 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 9
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 8
- 229910001424 calcium ion Inorganic materials 0.000 claims description 8
- 229910001431 copper ion Inorganic materials 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 7
- 239000011870 silicon-carbon composite anode material Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000006230 acetylene black Substances 0.000 claims description 5
- 235000010443 alginic acid Nutrition 0.000 claims description 5
- 229920000615 alginic acid Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920002907 Guar gum Polymers 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- 239000010405 anode material Substances 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 239000000665 guar gum Substances 0.000 claims description 3
- 235000010417 guar gum Nutrition 0.000 claims description 3
- 229960002154 guar gum Drugs 0.000 claims description 3
- 239000012046 mixed solvent Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000005543 nano-size silicon particle Substances 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical group O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 2
- 244000215068 Acacia senegal Species 0.000 claims description 2
- 229920000084 Gum arabic Polymers 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 235000010489 acacia gum Nutrition 0.000 claims description 2
- 239000000205 acacia gum Substances 0.000 claims description 2
- 229940072056 alginate Drugs 0.000 claims description 2
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 2
- 229910021385 hard carbon Inorganic materials 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 229910021382 natural graphite Inorganic materials 0.000 claims description 2
- 239000002296 pyrolytic carbon Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000007773 negative electrode material Substances 0.000 claims 3
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 240000007472 Leucaena leucocephala Species 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839171.7A CN107658450A (zh) | 2017-09-18 | 2017-09-18 | 一种微胶囊型硅碳复合负极材料及其制备方法和应用 |
| CN201710839171.7 | 2017-09-18 | ||
| PCT/CN2018/106160 WO2019052572A1 (zh) | 2017-09-18 | 2018-09-18 | 一种微胶囊型硅碳复合负极材料及其制备方法和应用 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019536246A JP2019536246A (ja) | 2019-12-12 |
| JP2019536246A5 true JP2019536246A5 (enExample) | 2020-01-30 |
| JP7030119B2 JP7030119B2 (ja) | 2022-03-04 |
Family
ID=61130646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019528666A Active JP7030119B2 (ja) | 2017-09-18 | 2018-09-18 | マイクロカプセルタイプのケイ素－炭素の複合負極材料、ならびにその製造方法およびその用途 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11335895B2 (enExample) |
| JP (1) | JP7030119B2 (enExample) |
| KR (1) | KR102239750B1 (enExample) |
| CN (1) | CN107658450A (enExample) |
| CA (1) | CA3035900C (enExample) |
| WO (1) | WO2019052572A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658450A (zh) * | 2017-09-18 | 2018-02-02 | 江苏道赢科技有限公司 | 一种微胶囊型硅碳复合负极材料及其制备方法和应用 |
| CN109473648B (zh) * | 2018-11-02 | 2022-09-02 | 中国有色桂林矿产地质研究院有限公司 | 一种锂离子电池用硅碳复合材料及其制备方法 |
| CN110190249A (zh) * | 2019-04-19 | 2019-08-30 | 合肥国轩高科动力能源有限公司 | 一种硅碳负极的合浆方法 |
| CN112331820B (zh) * | 2019-08-05 | 2022-03-04 | 辉能科技股份有限公司 | 活性材料球复合层 |
| TWI735017B (zh) | 2019-08-05 | 2021-08-01 | 輝能科技股份有限公司 | 活性材料球複合層 |
| TWI756556B (zh) | 2019-08-05 | 2022-03-01 | 輝能科技股份有限公司 | 活性材料球極層結構 |
| CN113013385A (zh) * | 2019-12-19 | 2021-06-22 | 山西沃特海默新材料科技股份有限公司 | 一种包覆剂、硅碳材料及制备工艺 |
| CN111525136A (zh) * | 2020-04-30 | 2020-08-11 | 青岛科技大学 | 一种复合粘结剂及其在锂离子电池硅负极中的应用 |
| CN112382757B (zh) * | 2020-08-11 | 2022-03-18 | 万向一二三股份公司 | 一种负极复合增稠剂、负极极片及制备方法 |
| KR102540488B1 (ko) * | 2020-11-03 | 2023-06-12 | (주)뉴테크엘아이비 | 리튬 이차 전지용 실리콘계 및 탄소계 음극재에 적합한 고분자 바인더 및 이의 제조 방법 |
| WO2022097833A1 (ko) * | 2020-11-03 | 2022-05-12 | (주)뉴테크엘아이비 | 리튬 이차 전지용 실리콘계 및 탄소계 음극재에 적합한 고분자 바인더 및 이의 제조 방법 |
| CN114914444B (zh) * | 2021-02-10 | 2024-08-09 | 中国石油化工股份有限公司 | 硅碳负极极片及其制备方法、锂离子电池 |
| KR20220159587A (ko) * | 2021-05-26 | 2022-12-05 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 음극 및 이를 포함하는 리튬 이차전지 |
| CN113903917B (zh) * | 2021-09-18 | 2023-03-31 | 宁德新能源科技有限公司 | 锂离子电池、用电设备 |
| CN114122371B (zh) * | 2021-11-02 | 2022-10-11 | 北京科技大学 | 一种锂离子电池富孔硅碳负极材料的制备方法 |
| CN114050251B (zh) * | 2021-11-18 | 2024-01-19 | 兰州城市学院 | 一种硅碳复合微纳米结构材料的制备及应用 |
| CN115939411A (zh) * | 2023-01-31 | 2023-04-07 | 江阴纳力新材料科技有限公司 | 一种涂碳集流体、电极、电池及该涂碳集流体的制备方法 |
| JP7710487B2 (ja) * | 2023-05-22 | 2025-07-18 | プライムプラネットエナジー＆ソリューションズ株式会社 | 二次電池の負極、当該負極の製造方法、および当該負極を用いた二次電池 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3945023B2 (ja) * | 1998-06-19 | 2007-07-18 | 宇部興産株式会社 | 非水二次電池 |
| KR100738057B1 (ko) * | 2005-09-13 | 2007-07-10 | 삼성에스디아이 주식회사 | 음극 전극 및 이를 채용한 리튬 전지 |
| KR101243913B1 (ko) * | 2011-04-07 | 2013-03-14 | 삼성에스디아이 주식회사 | 음극활물질, 이를 채용한 음극과 리튬전지 및 그 제조방법 |
| FR2981643B1 (fr) * | 2011-10-25 | 2013-12-27 | Commissariat Energie Atomique | Procede de preparation d'un materiau composite silicium/carbone, materiau ainsi prepare, et electrode notamment electrode negative, comprenant ce materiau. |
| CN103022448A (zh) | 2012-12-19 | 2013-04-03 | 天津巴莫科技股份有限公司 | 锂电池硅碳负极材料的制备方法 |
| JP5827261B2 (ja) * | 2013-03-28 | 2015-12-02 | 信越化学工業株式会社 | 珪素含有粒子、非水電解質二次電池の負極材、および、非水電解質二次電池 |
| JP2015090845A (ja) | 2013-11-07 | 2015-05-11 | Tdk株式会社 | リチウムイオン二次電池用負極活物質、リチウムイオン二次電池用負極およびリチウムイオン二次電池 |
| KR102287812B1 (ko) * | 2014-09-26 | 2021-08-09 | 삼성전자주식회사 | 음극 활물질 및 이를 채용한 리튬 전지, 및 상기 음극 활물질의 제조방법 |
| CN105720258B (zh) * | 2014-12-03 | 2019-05-31 | 上海杉杉科技有限公司 | 锂离子电池负极材料及其制备方法和应用、锂离子电池 |
| US10199643B2 (en) * | 2014-12-16 | 2019-02-05 | GM Global Technology Operations LLC | Negative electrode for lithium-based batteries |
| JP6111453B2 (ja) * | 2015-02-26 | 2017-04-12 | 株式会社アイ．エス．テイ | ポリイミドコーティング活物質粒子、電極材料用スラリー、負極、電池、及び、ポリイミドコーティング活物質粒子の製造方法 |
| US11088359B2 (en) | 2015-08-10 | 2021-08-10 | Murata Manufacturing Co., Ltd. | Secondary battery-use anode and method of manufacturing the same, secondary battery and method of manufacturing the same, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus |
| JPWO2017026268A1 (ja) * | 2015-08-10 | 2018-05-31 | ソニー株式会社 | 二次電池用負極およびその製造方法、二次電池およびその製造方法、ならびに電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
| DE102015224373A1 (de) * | 2015-12-04 | 2017-06-08 | Robert Bosch Gmbh | Siliciumpartikel mit künstlicher SEI |
| CN105576248B (zh) | 2016-02-25 | 2018-09-28 | 中国科学院金属研究所 | 一种硅碳负极用复合导电剂浆料及其制备方法和应用 |
| US10424784B2 (en) * | 2016-10-28 | 2019-09-24 | GM Global Technology Operations LLC | Negative electrode including silicon nanoparticles having a carbon coating thereon |
| US10873075B2 (en) * | 2017-09-01 | 2020-12-22 | Nanograf Corporation | Composite anode material including particles having buffered silicon-containing core and graphene-containing shell |
| CN107658450A (zh) | 2017-09-18 | 2018-02-02 | 江苏道赢科技有限公司 | 一种微胶囊型硅碳复合负极材料及其制备方法和应用 |
-
2017
- 2017-09-18 CN CN201710839171.7A patent/CN107658450A/zh active Pending
-
2018
- 2018-09-18 CA CA3035900A patent/CA3035900C/en active Active
- 2018-09-18 WO PCT/CN2018/106160 patent/WO2019052572A1/zh not_active Ceased
- 2018-09-18 JP JP2019528666A patent/JP7030119B2/ja active Active
- 2018-09-18 KR KR1020197018336A patent/KR102239750B1/ko active Active
- 2018-09-18 US US16/344,480 patent/US11335895B2/en active Active
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