JPWO2018168628A1 - 非水電解質二次電池 - Google Patents
非水電解質二次電池 Download PDFInfo
- Publication number
- JPWO2018168628A1 JPWO2018168628A1 JP2019505932A JP2019505932A JPWO2018168628A1 JP WO2018168628 A1 JPWO2018168628 A1 JP WO2018168628A1 JP 2019505932 A JP2019505932 A JP 2019505932A JP 2019505932 A JP2019505932 A JP 2019505932A JP WO2018168628 A1 JPWO2018168628 A1 JP WO2018168628A1
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- current collector
- electrode plate
- positive electrode
- tape
- 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
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 39
- 239000007773 negative electrode material Substances 0.000 claims abstract description 36
- 238000004804 winding Methods 0.000 claims abstract description 32
- 239000007774 positive electrode material Substances 0.000 claims abstract description 15
- 230000004323 axial length Effects 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 48
- -1 polypropylene Polymers 0.000 claims description 15
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 239000002210 silicon-based material Substances 0.000 claims description 6
- 239000003575 carbonaceous material Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 238000007789 sealing Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000010408 film Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000011888 foil Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000006230 acetylene black Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003125 aqueous solvent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 229910000314 transition metal oxide Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910015746 LiNi0.88Co0.09Al0.03O2 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 1
- 229910052912 lithium silicate Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- AHIHJODVQGBOND-UHFFFAOYSA-N propan-2-yl hydrogen carbonate Chemical compound CC(C)OC(O)=O AHIHJODVQGBOND-UHFFFAOYSA-N 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
ものではない。
[正極板の作製]
正極活物質としてLiNi0.88Co0.09Al0.03O2で表されるリチウム含有遷移金属酸化物を100質量部と、アセチレンブラックを1質量部と、結着剤としてのポリフッ化ビニリデンを0.9質量部とを混合し、さらにN−メチル−2−ピロリドン(NMP)を適量加えて、正極合剤スラリーを調製した。次に、当該正極合剤スラリーをアルミニウム箔からなる正極集電体の両面に塗布し、塗膜を乾燥させた。塗膜が形成された集電体をローラーを用いて圧延した後、所定の電極サイズに切断し、長手方向中央部に設けられた正極集電体露出部にアルミニウム製の正極リードを超音波溶接して、正極板を作製した。
黒鉛粉末を95質量部と、酸化ケイ素(SiO)を5質量部と、増粘剤としてのカルボキシメチルセルロース(CMC)を1質量部と、結着剤としてのスチレン−ブタジエンゴム(SBR)の分散水を1質量部とを混合し、さらに水を適量加えて、負極合剤スラリーを調製した。次に、当該負極合剤スラリーを銅箔からなる負極集電体の両面に塗布し、塗膜を乾燥させた。塗膜が形成された集電体をローラーを用いて圧延した後、所定の電極サイズに切断し、巻始め端部に設けられた負極集電体露出部に負極リードを超音波溶接して、負極板を作製した。
上記正極板および負極板を、ポリエチレン製多孔質膜からなるセパレータを介して巻回し、最外周に幅7mm、厚み30μmのポリプロピレン製の基材層を有するテープを、図6に示すように内側端縁部が負極板の軸方向両端のそれぞれから負極板の軸方向長さの14%の位置となるように負極集電体露出部に貼り付けて、電極体を作製した。このとき、電極体の最外周の全周が、負極集電体露出部で構成されるようにした。
エチレンカーボネート(EC)とジメチルメチルカーボネート(DMC)とを体積比1:3で混合した混合溶媒100質量部に、ビニレンカーボネート(VC)5質量部を添加し、LiPF6を1.5モル/リットルの濃度で溶解させて、非水電解液を調製した。
上記電極体の上下に絶縁板をそれぞれ配置し、電極体の負極リードをケース本体の底部に溶接すると共に、電極体の正極リードを封口体のフィルタに溶接して、電極体をケース本体内に収納した。その後、ケース本体内に上記非水電解液を注入した。最後に、ケース本体の開口部を封口体で塞いで非水電解質二次電池を作製した。この二次電池の容量は4600mAhであった。
上記正極板および負極板を、ポリエチレン製多孔質膜からなるセパレータを介して巻回した後、軸方向両端に幅3mm、厚み30μmのポリプロピレン製の基材層を有するテープを、図8に示すように、内側端縁部が負極板の軸方向両端のそれぞれから負極板の軸方向長さの8%の位置となるように負極集電体露出部に貼り付けて、電極体を作製した。これ以外は実施例1と同様にして非水電解質二次電池を作製した。
上記正極板および負極板を、ポリエチレン製多孔質膜からなるセパレータを介して巻回した後、軸方向両端に幅9mm、厚み30μmのポリプロピレン製の基材層を有するテープを、図9に示すように、内側端縁部が負極板の軸方向両端のそれぞれから負極板の軸方向長さの17%の位置となるように負極集電体露出部に貼り付けて、電極体(14A)を作製した。これ以外は実施例1と同様にして非水電解質二次電池を作製した。
下記の条件で実施例1、実施例2、及び、比較例の各非水電解質二次電池について充放電サイクル試験を実施し、試験後に電極体の負極板の負極活物質層割れの有無を確認した。
25℃環境下において、1380mA(0.3時間率)の定電流充電にて4.2Vに達した後、4.2Vで終止電流を92mAとした定電圧充電を行い、20分間休止後、放電電流4600mA(1時間率)で定電流放電を行い、20分休止するという充放電サイクルを500サイクル繰り返した。
Claims (4)
- 帯状の正極集電体の表面に正極活物質層が形成された正極板と、帯状の負極集電体の表面に負極活物質層が形成された負極板とが、絶縁性のセパレータを介して巻回された電極体を備え、
前記電極体の最外周には前記負極集電体が露出した負極集電体露出部が設けられ、前記負極板の巻終わり端が前記負極集電体露出部に貼着されたテープで固定されており、
前記テープは、前記負極板の軸方向両端のそれぞれから、前記負極板の前記軸方向長さの14%以内の領域に貼着されている、非水電解質二次電池。 - 前記テープは、基材層と接着剤層とで構成され、前記基材層の主成分がポリプロピレンである、請求項1に記載の非水電解質二次電池。
- 前記テープの厚みが8μm以上40μm以下である、請求項1または2に記載の非水電解質二次電池。
- 前記負極活物質層は負極活物質として炭素材料とケイ素材料を含み、前記ケイ素材料の前記負極活物質中の含有量は3質量%以上20質量%以下である、請求項1〜3のいずれか一項に記載の非水電解質二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017051468 | 2017-03-16 | ||
JP2017051468 | 2017-03-16 | ||
PCT/JP2018/008928 WO2018168628A1 (ja) | 2017-03-16 | 2018-03-08 | 非水電解質二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018168628A1 true JPWO2018168628A1 (ja) | 2020-01-16 |
JP6983867B2 JP6983867B2 (ja) | 2021-12-17 |
Family
ID=63523896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019505932A Active JP6983867B2 (ja) | 2017-03-16 | 2018-03-08 | 非水電解質二次電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210159545A1 (ja) |
JP (1) | JP6983867B2 (ja) |
CN (1) | CN110301062B (ja) |
WO (1) | WO2018168628A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020066576A1 (ja) * | 2018-09-26 | 2020-04-02 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池用負極及び非水電解質二次電池 |
JP7320738B2 (ja) * | 2018-10-26 | 2023-08-04 | パナソニックIpマネジメント株式会社 | 円筒型二次電池 |
CN114365316B (zh) * | 2019-09-11 | 2024-04-16 | 松下新能源株式会社 | 非水电解质二次电池 |
EP4099429A4 (en) * | 2020-01-31 | 2024-01-17 | SANYO Electric Co., Ltd. | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY |
JP7520561B2 (ja) | 2020-04-13 | 2024-07-23 | 株式会社Gsユアサ | 蓄電素子 |
CN112151885B (zh) * | 2020-08-21 | 2023-12-22 | 安徽理士电源技术有限公司 | 一种长寿命硅基双极性铅蓄电池的组装方法 |
WO2024143119A1 (ja) * | 2022-12-27 | 2024-07-04 | パナソニックIpマネジメント株式会社 | 円筒形の非水電解質二次電池 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015146076A1 (ja) * | 2014-03-27 | 2015-10-01 | 三洋電機株式会社 | 非水電解液二次電池及びその製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3466631B2 (ja) * | 1990-11-21 | 2003-11-17 | ソニー株式会社 | 非水電解液二次電池 |
JP2003123843A (ja) * | 2001-10-05 | 2003-04-25 | Sony Corp | 電池及びその製造方法 |
JP4305111B2 (ja) * | 2003-09-29 | 2009-07-29 | 新神戸電機株式会社 | 組電池及び電気自動車 |
JP4568123B2 (ja) * | 2005-01-12 | 2010-10-27 | 三洋電機株式会社 | 非水電解質電池 |
US20080286657A1 (en) * | 2007-05-16 | 2008-11-20 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary battery |
JP2009199974A (ja) * | 2008-02-25 | 2009-09-03 | Panasonic Corp | 非水系二次電池用電極群とそれを用いた二次電池 |
KR101050533B1 (ko) * | 2008-06-18 | 2011-07-20 | 삼성에스디아이 주식회사 | 전극 조립체 및 이를 구비한 이차 전지 |
KR101126826B1 (ko) * | 2008-06-30 | 2012-03-23 | 삼성에스디아이 주식회사 | 이차전지 |
US20120088137A1 (en) * | 2009-06-30 | 2012-04-12 | Kensuke Nakura | Nonaqueous electrolyte secondary battery |
JP5836975B2 (ja) * | 2010-12-13 | 2015-12-24 | 三洋電機株式会社 | リチウム二次電池及びその製造方法 |
JP2015153690A (ja) * | 2014-02-18 | 2015-08-24 | 日立マクセル株式会社 | 非水電解質二次電池 |
-
2018
- 2018-03-08 CN CN201880012153.4A patent/CN110301062B/zh active Active
- 2018-03-08 US US16/493,566 patent/US20210159545A1/en not_active Abandoned
- 2018-03-08 JP JP2019505932A patent/JP6983867B2/ja active Active
- 2018-03-08 WO PCT/JP2018/008928 patent/WO2018168628A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015146076A1 (ja) * | 2014-03-27 | 2015-10-01 | 三洋電機株式会社 | 非水電解液二次電池及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2018168628A1 (ja) | 2018-09-20 |
JP6983867B2 (ja) | 2021-12-17 |
CN110301062B (zh) | 2023-06-09 |
US20210159545A1 (en) | 2021-05-27 |
CN110301062A (zh) | 2019-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6983867B2 (ja) | 非水電解質二次電池 | |
JP7035017B6 (ja) | 非水電解質二次電池 | |
JPWO2017163933A1 (ja) | 非水電解質二次電池 | |
JP6928918B2 (ja) | 二次電池 | |
JP7317823B2 (ja) | 非水電解質二次電池 | |
US11502382B2 (en) | Nonaqueous electrolyte secondary battery | |
WO2019111742A1 (ja) | 非水電解質二次電池 | |
WO2018173899A1 (ja) | 非水電解質二次電池 | |
JP7321158B2 (ja) | 非水電解質二次電池 | |
WO2020004135A1 (ja) | 非水電解質二次電池 | |
JP2020080250A (ja) | 円筒形二次電池 | |
WO2021166925A1 (ja) | 非水電解質二次電池および非水電解質二次電池用負極 | |
JP7263340B2 (ja) | 非水電解質二次電池 | |
WO2018105398A1 (ja) | 円筒形の非水電解質二次電池 | |
WO2021039275A1 (ja) | 非水電解質二次電池 | |
JP2020149881A (ja) | 二次電池 | |
WO2021187348A1 (ja) | 非水電解質二次電池 | |
WO2021039481A1 (ja) | 非水電解質二次電池及び非水電解質二次電池の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210205 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20211026 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20211124 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6983867 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |