JP2019510351A - 内部温度の測定が可能な電池セル - Google Patents
内部温度の測定が可能な電池セル Download PDFInfo
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- 238000005259 measurement Methods 0.000 claims abstract description 62
- 238000000926 separation method Methods 0.000 claims abstract description 47
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 239000007772 electrode material Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 description 61
- 208000027418 Wounds and injury Diseases 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 235000015110 jellies Nutrition 0.000 description 10
- 239000008274 jelly Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
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Abstract
Description
前記正極及び負極は集電体の片面又は両面に電極活物質を含む電極合剤が塗布され、
前記正極及び負極にはそれぞれ電池セルの外部入出力端子として第1正極端子と第1負極端子が形成され、
前記正極及び負極の少なくとも一方には外部入出力端子の対向位置に集電体の抵抗を測定するための抵抗測定用端子が形成されていることを特徴とする。
20 抵抗測定部材
40 連結部材
100 正極
110 集電体
120 電極活物質
130 第1正極端子
150 抵抗測定用端子
200 負極
210 集電体
220 電極活物質
230 第1負極端子
250 抵抗測定用端子
300 分離膜
Claims (15)
- 正極、負極及び正極と負極の間に介在された分離膜を含む構造の電極組立体を含む電池セルであって、
前記正極及び負極は集電体の片面又は両面に電極活物質を含む電極合剤が塗布され、
前記正極及び負極にはそれぞれ電池セルの外部入出力端子として第1正極端子と第1負極端子が形成され、
前記正極及び負極の少なくとも一方には外部入出力端子の対向位置に集電体の抵抗を測定するための抵抗測定用端子が形成されていることを特徴とする、電池セル。 - 前記正極には抵抗測定用正極端子が形成され、前記負極には抵抗測定用負極端子が形成され、集電体の抵抗を測定する抵抗測定部材及び電池セルの温度を推定する制御部がさらに備えられることを特徴とする、請求項1に記載の電池セル。
- 前記電極組立体は、
一つの正極シートと一つの負極シートが分離膜を介在した状態で巻き取られている構造になり、
正極シートの一側端部には電極合剤が塗布されていない第1正極無地部が形成され、負極シートの一側端部には電極合剤が塗布されていない第1負極無地部が形成され、
前記第1正極無地部の集電体上に第1正極端子が結合され、前記第1負極無地部の集電体上に第1負極端子が結合されていることを特徴とする、請求項1に記載の電池セル。 - 前記第1正極無地部に対向する位置の正極シートの他側端部には電極合剤が塗布されていない第2正極無地部が形成され、前記第2正極無地部の集電体上に抵抗測定用正極端子が結合されていることを特徴とする、請求項3に記載の電池セル。
- 前記第1負極無地部に対向する位置の負極シートの他側端部には電極合剤が塗布されていない第2負極無地部が形成され、前記第2負極無地部の集電体上に抵抗測定用負極端子が結合されていることを特徴とする、請求項3に記載の電池セル。
- 前記電極組立体は、
複数の正極板と複数の負極板が分離膜を介在した状態で積層されている構造になり、
正極板のそれぞれの一側端部では電極合剤が塗布されていない正極タブが外向きに突出し、負極板のそれぞれの一側端部では電極合剤が塗布されていない負極タブが外向きに突出し、
正極タブが正極リードに結合されて第1正極端子を形成し、前記負極タブが負極リードに結合されて第1負極端子を形成していることを特徴とする、請求項1に記載の電池セル。 - 前記複数の正極板のうち一正極板には正極タブに対向する位置で抵抗測定用正極タブが外向きに突出していることを特徴とする、請求項6に記載の電池セル。
- 前記複数の負極板のうち一負極板には負極タブに対向する位置で抵抗測定用負極タブが外向きに突出していることを特徴とする、請求項6に記載の電池セル。
- 前記電極組立体は、
それぞれ一つ以上の正極板と一つ以上の負極板が分離膜を介在した状態で積層された構造を有する単位セルが分離フィルムによって巻き取られている構造になり、
前記単位セルの正極板のそれぞれの一側端部では電極合剤が塗布されていない正極タブが外向きに突出し、負極板のそれぞれの一側端部では電極合剤が塗布されていない負極タブが外向きに突出し、
巻き取られた単位セルの正極タブが正極リードに結合されて第1正極端子を形成し、巻き取られた単位セルの負極タブが負極リードに結合されて第1負極端子を形成していることを特徴とする、請求項1に記載の電池セル。 - 前記巻き取られた単位セルの正極板のうち一正極板には正極タブに対向する位置で抵抗測定用正極タブが外向きに突出していることを特徴とする、請求項9に記載の電池セル。
- 前記巻き取られた単位セルの負極板のうち一負極板には負極タブに対向する位置で抵抗測定用負極タブが外向きに突出していることを特徴とする、請求項9に記載の電池セル。
- 前記制御部は、集電体を形成する金属自体の抵抗と温度の相関関係に基づき、測定された集電体の抵抗値によって温度を推定することを特徴とする、請求項2に記載の電池セル。
- 前記抵抗測定用端子に垂直に隣接した電極面には抵抗測定用端子がさらに形成され、
前記抵抗測定用端子が連結部材を介して電気的に連結されることによって集電体の抵抗を測定することを特徴とする、請求項1に記載の電池セル。 - 請求項1〜13のいずれか一項に記載の電池セルを含むことを特徴とする、電池パック。
- 前記制御部は、測定された温度が臨界値以上のときに電池セルの外部入出力端子の電気的連結を解除する機能をさらに含むことを特徴とする、請求項14に記載の電池パック。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2017-0000678 | 2017-01-03 | ||
KR1020170000678A KR102105172B1 (ko) | 2017-01-03 | 2017-01-03 | 내부의 온도를 측정할 수 있는 전지셀 |
PCT/KR2017/014296 WO2018128283A1 (ko) | 2017-01-03 | 2017-12-07 | 내부의 온도를 측정할 수 있는 전지셀 |
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JP2019510351A true JP2019510351A (ja) | 2019-04-11 |
JP6860126B2 JP6860126B2 (ja) | 2021-04-14 |
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JP2018550712A Active JP6860126B2 (ja) | 2017-01-03 | 2017-12-07 | 内部温度の測定が可能な電池セル |
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JP (1) | JP6860126B2 (ja) |
KR (1) | KR102105172B1 (ja) |
CN (2) | CN108886179B (ja) |
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KR102374743B1 (ko) | 2018-02-19 | 2022-03-14 | 주식회사 엘지에너지솔루션 | 파우치형 이차 전지 |
KR20200046333A (ko) * | 2018-10-24 | 2020-05-07 | 현대자동차주식회사 | 파우치 타입 배터리 셀 |
KR20210039081A (ko) * | 2019-10-01 | 2021-04-09 | 주식회사 엘지화학 | 서로 다른 형태의 전극을 포함하는 이차전지용 전극조립체 |
KR20210077512A (ko) * | 2019-12-17 | 2021-06-25 | 주식회사 엘지에너지솔루션 | 내부 단락 평가용 전지 셀 및 이를 이용한 전지 셀의 내부 단락 평가 방법 |
US11525742B2 (en) * | 2020-02-12 | 2022-12-13 | GM Global Technology Operations LLC | Temperature sensor |
CN112952206A (zh) * | 2021-01-04 | 2021-06-11 | 李曼琳 | 一种叠片锂电池电芯及叠片设备 |
US20220238932A1 (en) * | 2021-01-28 | 2022-07-28 | GM Global Technology Operations LLC | Electrochemical cell monitoring assembly |
CN113903969B (zh) * | 2021-09-23 | 2022-07-08 | 宁德新能源科技有限公司 | 电芯及用电装置 |
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JP2548765Y2 (ja) | 1990-12-26 | 1997-09-24 | 新神戸電機株式会社 | 密閉形鉛蓄電池 |
JP4228177B2 (ja) * | 2002-04-24 | 2009-02-25 | 日本電気株式会社 | 二次電池、および、それを用いたバッテリー |
JP4218792B2 (ja) | 2002-09-18 | 2009-02-04 | マクセル北陸精器株式会社 | 非水二次電池 |
JP5151115B2 (ja) | 2006-11-02 | 2013-02-27 | 日産自動車株式会社 | 双極型二次電池 |
KR100959871B1 (ko) | 2007-12-17 | 2010-05-27 | 삼성에스디아이 주식회사 | 보호회로기판 및 이를 구비하는 배터리 팩 |
JP5380991B2 (ja) | 2008-10-01 | 2014-01-08 | 日産自動車株式会社 | 双極型電池、その双極型電池を用いた組電池および車両 |
KR20100006491U (ko) | 2008-12-17 | 2010-06-25 | 주식회사 엘지화학 | 전지팩용 온도 센서 |
CN102308432B (zh) | 2010-04-28 | 2013-12-18 | 丰田自动车株式会社 | 电池温度测定装置和电池温度测定方法、电池的制造方法 |
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KR101283022B1 (ko) | 2011-06-10 | 2013-07-08 | 현대자동차주식회사 | 내부온도 측정이 가능한 연료전지의 스택 |
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KR101577387B1 (ko) | 2013-05-06 | 2015-12-16 | 주식회사 엘지화학 | 이차전지, 이를 포함하는 이차전지 모듈 및 이차전지 팩 |
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JP6426934B2 (ja) | 2014-07-29 | 2018-11-21 | 昭和電工パッケージング株式会社 | 電気化学デバイスおよびその製造方法 |
JP6431619B2 (ja) | 2015-04-15 | 2018-11-28 | エルジー・ケム・リミテッド | 電解液漏れ感知用ワッシャー及びそれを含む二次電池 |
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CN108886179A (zh) | 2018-11-23 |
EP3442073A1 (en) | 2019-02-13 |
US20190190092A1 (en) | 2019-06-20 |
PL3442073T3 (pl) | 2021-10-04 |
EP3442073B1 (en) | 2020-11-25 |
TWI734880B (zh) | 2021-08-01 |
CN108886179B (zh) | 2021-05-28 |
US10897066B2 (en) | 2021-01-19 |
WO2018128283A1 (ko) | 2018-07-12 |
JP6860126B2 (ja) | 2021-04-14 |
TW201830764A (zh) | 2018-08-16 |
EP3442073A4 (en) | 2019-07-24 |
KR102105172B1 (ko) | 2020-04-27 |
CN208336422U (zh) | 2019-01-04 |
KR20180079924A (ko) | 2018-07-11 |
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