CN103427083A - 锂电池用粘结剂及其制备方法 - Google Patents
锂电池用粘结剂及其制备方法 Download PDFInfo
- Publication number
- CN103427083A CN103427083A CN2013103640575A CN201310364057A CN103427083A CN 103427083 A CN103427083 A CN 103427083A CN 2013103640575 A CN2013103640575 A CN 2013103640575A CN 201310364057 A CN201310364057 A CN 201310364057A CN 103427083 A CN103427083 A CN 103427083A
- Authority
- CN
- China
- Prior art keywords
- binding agent
- macromolecule
- functional groups
- lithium battery
- preparation
- 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
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000853 adhesive Substances 0.000 title abstract 5
- 230000001070 adhesive effect Effects 0.000 title abstract 5
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 19
- 125000000524 functional group Chemical group 0.000 claims abstract description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000003999 initiator Substances 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims description 77
- 229920002521 macromolecule Polymers 0.000 claims description 51
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims description 24
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 13
- 229910001416 lithium ion Inorganic materials 0.000 claims description 13
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 9
- 125000005634 peroxydicarbonate group Chemical group 0.000 claims description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- 235000019394 potassium persulphate Nutrition 0.000 claims description 6
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 5
- 229920002101 Chitin Polymers 0.000 claims description 5
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims description 5
- 239000004584 polyacrylic acid Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 5
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000002002 slurry Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract 1
- 238000005191 phase separation Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 21
- 239000007772 electrode material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 4
- 239000006258 conductive agent Substances 0.000 description 4
- 229920003169 water-soluble polymer Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- WURBFLDFSFBTLW-UHFFFAOYSA-N benzil Chemical group C=1C=CC=CC=1C(=O)C(=O)C1=CC=CC=C1 WURBFLDFSFBTLW-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920005596 polymer binder Polymers 0.000 description 2
- 239000002491 polymer binding agent Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003262 carboxylic acid ester group Chemical class [H]C([H])([*:2])OC(=O)C([H])([H])[*:1] 0.000 description 1
- 150000001734 carboxylic acid salts Chemical class 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011883 electrode binding agent Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310364057.5A CN103427083B (zh) | 2013-08-20 | 2013-08-20 | 锂电池用粘结剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310364057.5A CN103427083B (zh) | 2013-08-20 | 2013-08-20 | 锂电池用粘结剂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103427083A true CN103427083A (zh) | 2013-12-04 |
CN103427083B CN103427083B (zh) | 2015-11-04 |
Family
ID=49651528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310364057.5A Active CN103427083B (zh) | 2013-08-20 | 2013-08-20 | 锂电池用粘结剂及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103427083B (zh) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104953124A (zh) * | 2014-03-25 | 2015-09-30 | 奇瑞汽车股份有限公司 | 一种硅碳负极材料的粘结剂、硅碳电池的负极极片及其制作方法、硅碳电池 |
WO2015147419A1 (ko) * | 2014-03-26 | 2015-10-01 | 전자부품연구원 | 리튬이온 이차전지용 음극 합제, 이의 제조 방법 및 이를 갖는 리튬이온 이차 전지 |
CN105261759A (zh) * | 2015-09-22 | 2016-01-20 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂电池用水性粘结剂及其制备方法、锂电池极片 |
CN105504169A (zh) * | 2016-01-07 | 2016-04-20 | 上海交通大学 | 一种用于锂离子电池的粘结剂 |
WO2017008284A1 (en) * | 2015-07-15 | 2017-01-19 | Robert Bosch Gmbh | Electrode for rechargeable lithium ion battery |
CN106356534A (zh) * | 2015-07-18 | 2017-01-25 | 宁波大学 | 一种锂离子电池用粘结剂及其制备方法 |
CN109216699A (zh) * | 2017-07-07 | 2019-01-15 | 聚和国际股份有限公司 | 具三维结构的锂电池黏着剂及含其的锂电池负极材料 |
CN109888286A (zh) * | 2019-01-23 | 2019-06-14 | 西安交通大学 | 一种动态离子交联的聚丙烯酸-聚乙二醇水凝胶粘合剂及其制备方法和应用 |
CN109888170A (zh) * | 2019-01-23 | 2019-06-14 | 西安交通大学 | 用于二次电池的三维网络粘合剂及制备方法、及负极浆料和负极材料 |
CN110061239A (zh) * | 2018-03-20 | 2019-07-26 | 南方科技大学 | 木质素基粘结剂及其制备方法和锂离子电池 |
CN110137498A (zh) * | 2019-05-27 | 2019-08-16 | 长沙而道新能源科技有限公司 | 一种新能源汽车锂电池用粘结剂及其制备方法 |
CN111430712A (zh) * | 2020-03-31 | 2020-07-17 | 上海电力大学 | 一种新型锂离子电池硅基负极粘结剂的制备方法 |
CN112072106A (zh) * | 2020-08-28 | 2020-12-11 | 浙江大学 | 一种导电粘结剂材料及其制备方法、负极极片和锂离子电池 |
CN112736247A (zh) * | 2019-10-28 | 2021-04-30 | 广州汽车集团股份有限公司 | 水系复合粘结剂、负极浆料及其制备方法、负极片、锂离子电芯、锂离子电池包及其应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1619861A (zh) * | 2003-11-17 | 2005-05-25 | 三星Sdi株式会社 | 可充电锂电池的负极及包括它的可充电锂电池 |
CN103173161A (zh) * | 2013-03-08 | 2013-06-26 | 东莞新能源科技有限公司 | 一种锂离子电池负极片用粘接剂乳液的制备方法 |
CN103214245A (zh) * | 2013-03-29 | 2013-07-24 | 中国科学院过程工程研究所 | 一种碳/碳复合微球材料、生产方法及锂离子电池 |
-
2013
- 2013-08-20 CN CN201310364057.5A patent/CN103427083B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1619861A (zh) * | 2003-11-17 | 2005-05-25 | 三星Sdi株式会社 | 可充电锂电池的负极及包括它的可充电锂电池 |
CN103173161A (zh) * | 2013-03-08 | 2013-06-26 | 东莞新能源科技有限公司 | 一种锂离子电池负极片用粘接剂乳液的制备方法 |
CN103214245A (zh) * | 2013-03-29 | 2013-07-24 | 中国科学院过程工程研究所 | 一种碳/碳复合微球材料、生产方法及锂离子电池 |
Non-Patent Citations (2)
Title |
---|
BONJAE KOO ET AL: "A highly-cross-linked polymeric binder for high-performance silicon negative electrodes in lithium ion batteries", 《ANGEWANDTE COMMUNICATION 》, vol. 51, 27 August 2012 (2012-08-27) * |
BONJAE KOO ET AL: "A highly-cross-linked polymeric binder for high-performance silicon negative electrodes in lithium ion batteries", 《ANGEWANDTE COMMUNICATION》, vol. 51, 27 August 2012 (2012-08-27) * |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104953124A (zh) * | 2014-03-25 | 2015-09-30 | 奇瑞汽车股份有限公司 | 一种硅碳负极材料的粘结剂、硅碳电池的负极极片及其制作方法、硅碳电池 |
WO2015147419A1 (ko) * | 2014-03-26 | 2015-10-01 | 전자부품연구원 | 리튬이온 이차전지용 음극 합제, 이의 제조 방법 및 이를 갖는 리튬이온 이차 전지 |
WO2017008284A1 (en) * | 2015-07-15 | 2017-01-19 | Robert Bosch Gmbh | Electrode for rechargeable lithium ion battery |
CN106356534A (zh) * | 2015-07-18 | 2017-01-25 | 宁波大学 | 一种锂离子电池用粘结剂及其制备方法 |
CN105261759A (zh) * | 2015-09-22 | 2016-01-20 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂电池用水性粘结剂及其制备方法、锂电池极片 |
CN105504169A (zh) * | 2016-01-07 | 2016-04-20 | 上海交通大学 | 一种用于锂离子电池的粘结剂 |
CN105504169B (zh) * | 2016-01-07 | 2018-05-01 | 上海交通大学 | 一种用于锂离子电池的粘结剂 |
CN109216699A (zh) * | 2017-07-07 | 2019-01-15 | 聚和国际股份有限公司 | 具三维结构的锂电池黏着剂及含其的锂电池负极材料 |
CN109216699B (zh) * | 2017-07-07 | 2022-04-19 | 聚和国际股份有限公司 | 具三维结构的锂电池黏着剂及含其的锂电池负极材料 |
CN110061239A (zh) * | 2018-03-20 | 2019-07-26 | 南方科技大学 | 木质素基粘结剂及其制备方法和锂离子电池 |
CN109888286A (zh) * | 2019-01-23 | 2019-06-14 | 西安交通大学 | 一种动态离子交联的聚丙烯酸-聚乙二醇水凝胶粘合剂及其制备方法和应用 |
CN109888170A (zh) * | 2019-01-23 | 2019-06-14 | 西安交通大学 | 用于二次电池的三维网络粘合剂及制备方法、及负极浆料和负极材料 |
CN109888286B (zh) * | 2019-01-23 | 2022-07-12 | 西安交通大学 | 一种动态离子交联的聚丙烯酸-聚乙二醇水凝胶粘合剂及其制备方法和应用 |
CN109888170B (zh) * | 2019-01-23 | 2022-10-25 | 西安交通大学 | 用于二次电池的三维网络粘合剂及制备方法、及负极浆料和负极材料 |
CN110137498A (zh) * | 2019-05-27 | 2019-08-16 | 长沙而道新能源科技有限公司 | 一种新能源汽车锂电池用粘结剂及其制备方法 |
CN112736247A (zh) * | 2019-10-28 | 2021-04-30 | 广州汽车集团股份有限公司 | 水系复合粘结剂、负极浆料及其制备方法、负极片、锂离子电芯、锂离子电池包及其应用 |
CN111430712A (zh) * | 2020-03-31 | 2020-07-17 | 上海电力大学 | 一种新型锂离子电池硅基负极粘结剂的制备方法 |
CN111430712B (zh) * | 2020-03-31 | 2023-05-02 | 上海电力大学 | 一种锂离子电池硅基负极粘结剂的制备方法 |
CN112072106A (zh) * | 2020-08-28 | 2020-12-11 | 浙江大学 | 一种导电粘结剂材料及其制备方法、负极极片和锂离子电池 |
Also Published As
Publication number | Publication date |
---|---|
CN103427083B (zh) | 2015-11-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103427083B (zh) | 锂电池用粘结剂及其制备方法 | |
KR101597745B1 (ko) | 이차전지용 바인더 및 이를 포함하는 이차전지 | |
CN103509500B (zh) | 用于锂离子二次电池的水性粘合剂 | |
KR20180095040A (ko) | 비수계 전지 전극용 바인더용 공중합체, 비수계 전지 전극용 슬러리, 비수계 전지 전극, 및 비수계 전지 | |
CN113066972B (zh) | 一种补锂硅材料及其制备方法、包含补锂硅材料的电极及电池 | |
CN110870103B (zh) | 电化学元件用电极及电化学元件、以及电化学元件用电极的制造方法 | |
CN108475786B (zh) | 二次电池电极用水系粘合剂组合物、二次电池电极用浆料、粘合剂、二次电池电极及二次电池 | |
CN108780892B (zh) | 非水系二次电池电极用粘结剂组合物、非水系二次电池电极用浆料组合物、非水系二次电池用电极及非水系二次电池 | |
CN105304858A (zh) | 锂离子电池及其负极片及制备方法 | |
CN107845802B (zh) | 一种用于锂电池的导电聚合物包覆钴酸锂及其制备方法 | |
CN1316653C (zh) | 一种锂离子电池正极材料、其制备方法及锂离子电池 | |
CN108808077B (zh) | 梯度钛酸钡含量的多功能凝胶聚合物电解质的制备方法 | |
JP2011204576A (ja) | 非水電解質二次電池用負極およびこれを具備する非水電解質二次電池ならびに負極の製造方法 | |
CN104134815A (zh) | 一种混合正极材料及应用 | |
CN108470884A (zh) | 一种水基粘结剂制备的锂离子电池电极 | |
CN103022460A (zh) | 一种钛酸锂碳复合材料的制备方法 | |
JP2012003891A (ja) | 活物質の製造方法 | |
CN104877593A (zh) | 一种锂离子电池负极粘结剂、负极以及电池 | |
CN106356534A (zh) | 一种锂离子电池用粘结剂及其制备方法 | |
JP2019212619A (ja) | 電極活物質層の製造方法、リチウムイオン電池用電極の製造方法及びリチウムイオン電池の製造方法 | |
KR101768452B1 (ko) | 음극, 그를 포함하는 전고체 리튬이차전지 및 그의 제조방법 | |
CN105470461A (zh) | 一种锂离子电池高镍基正极浆料及其制备方法 | |
EP3910704A1 (en) | Non-aqueous electrolyte cell electrode binder, non-aqueous electrolyte cell electrode binder solution, non-aqueous electrolyte cell electrode slurry, non-aqueous electrolyte cell electrode, and non-aqueous electrolyte cell | |
CN108550848A (zh) | 富锂碳材料、其制备方法及应用 | |
CN111406331A (zh) | 非水系电池电极用浆料的制造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HUBEI WANRUN NEW ENERGY TECHNOLOGY DEVELOPMENT CO. Free format text: FORMER OWNER: NINGBO NEXTEE NEW MATERIAL TECHNOLOGY CO., LTD. Effective date: 20150205 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315207 HANGZHOU, ZHEJIANG PROVINCE TO: 442000 SHIYAN, HUBEI PROVINCE |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20150205 Address after: Shiyan City, Hubei province 442000 Industrial District No. 6 Jia Lu Wan Applicant after: Hubei Wanrun New Energy Technology Development Co.,Ltd. Address before: Zhenhai District of Hangzhou City, Zhejiang province 315207 Jiaochuan streets Chen Jialu No. 99 Applicant before: Ningbo Nextee New Material Technology Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Shiyan City, Hubei province 442000 Industrial District No. 6 Jia Lu Wan Patentee after: Hubei Wanrun New Energy Technology Co., Ltd Address before: Shiyan City, Hubei province 442000 Industrial District No. 6 Jia Lu Wan Patentee before: HUBEI WANRUN NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |