JP6953119B2 - 蓄電装置、電池制御ユニットおよび電子機器 - Google Patents
蓄電装置、電池制御ユニットおよび電子機器 Download PDFInfo
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- JP6953119B2 JP6953119B2 JP2016146208A JP2016146208A JP6953119B2 JP 6953119 B2 JP6953119 B2 JP 6953119B2 JP 2016146208 A JP2016146208 A JP 2016146208A JP 2016146208 A JP2016146208 A JP 2016146208A JP 6953119 B2 JP6953119 B2 JP 6953119B2
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/80—Gaskets; Sealings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
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- 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
- Y02E60/13—Energy storage using capacitors
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Description
本実施の形態では、本発明の一態様の蓄電装置と、蓄電装置が有する外装体について説明する。
以下に、本発明の一態様の外装体について説明する。
ここで、座屈が起こる荷重を座屈荷重という。座屈荷重を高くすることによりフィルムをたわみにくくすることができる。また、フィルムに皺を寄りにくくすることができる。
また、蓄電装置を繰り返し曲げる場合には、例えば外装体に引っ張り応力や圧縮応力が加わる。このような力が加わることにより、外装体の一部に亀裂が生じる、あるいは、外装体の一部が引っ張られて薄くなる、等の現象を引き起こす場合がある。
以下に、フィルムの引張試験からkを求める例を示す。
ここで図8に示す引張試験の結果において、引張試験において急激に力が低下する様子が観測される。
以下に、本発明の一態様のグラフェン化合物について説明する。
本実施の形態では、本発明の一態様の蓄電装置について説明する。
以下に、本発明の一態様の外装体を用いた蓄電装置の一例を示す。
領域509bの形状が図10とは異なる例を、図20(A)に示す。図20(A)は蓄電装置500の上面を示す。図20(B)には、図20(A)の一点鎖線A1−A2に対応する断面を示す。ここで図20(A)および以降の図面では煩雑を避けるため、正極503、負極506、セパレータ507の記載は省略する場合がある。
図21(A)は、図20(A)とは領域509bの形状が異なる例を示す。
図23(A)は蓄電装置500の上面を示す。図23(B)は図23(A)に示す一点鎖線B1−B2に対応する断面を示す。図23(A)に示す蓄電装置500が有する外装体509は、領域509a、領域509b、および領域509cを有する。図23(A)において、領域509aは領域509cの上下の外側に位置する。
本実施の形態では、本発明の一態様の蓄電装置が有する正極および負極について説明する。
負極活物質として、例えば炭素系材料や合金系材料等を用いることができる。
正極活物質として例えば、オリビン型の結晶構造、層状岩塩型の結晶構造、またはスピネル型の結晶構造を有する複合酸化物等を用いることができる。
結着剤としては、スチレン−ブタジエンゴム(SBR)、スチレン・イソプレン・スチレンゴム、アクリロニトリル・ブタジエンゴム、ブタジエンゴム、エチレン・プロピレン・ジエン共重合体などのジエン系のゴム材料を用いることが好ましい。また結着剤として、フッ素ゴムを用いることができる。
集電体101には、ステンレス、金、白金、アルミニウム、チタン等の金属、及びこれらの合金など、導電性が高い材料をもちいることができる。また集電体101を正極に用いる場合には、正極の電位で溶出しないことが好ましい。また集電体101を負極に用いる場合には、リチウム等のキャリアイオンと合金化しないことが好ましい。また、シリコン、チタン、ネオジム、スカンジウム、モリブデンなどの耐熱性を向上させる元素が添加されたアルミニウム合金を用いることができる。また、シリコンと反応してシリサイドを形成する金属元素で形成してもよい。シリコンと反応してシリサイドを形成する金属元素としては、ジルコニウム、チタン、ハフニウム、バナジウム、ニオブ、タンタル、クロム、モリブデン、タングステン、コバルト、ニッケル等がある。集電体101は、箔状、板状(シート状)、網状、パンチングメタル状、エキスパンドメタル状等の形状を適宜用いることができる。集電体101は、厚みが5μm以上30μm以下のものを用いるとよい。
本実施の形態では、実施の形態2において説明した薄型の蓄電池の構成例と、蓄電システムの構成例について説明する。
図34および図35に、薄型の蓄電池の構成例を示す。図34(A)に示す捲回体993は、負極994と、正極995と、セパレータ996と、を有する。
また、蓄電システムの構造例について、図36乃至図38を用いて説明する。ここで蓄電システムとは、例えば、蓄電装置を搭載した機器を指す。
本実施の形態では、可撓性を有する蓄電池を電子機器に実装する例について説明する。
本実施の形態では、蓄電装置を搭載することのできる電子機器の一例を示す。
本実施の形態では、車両に蓄電装置を搭載する例を示す。
上記実施の形態で説明した材料を含む電池セルと組み合わせて用いることができる電池制御ユニット(Battery Management Unit:BMU)、及び該電池制御ユニットを構成する回路に適したトランジスタについて、図43乃至図49を参照して説明する。本実施の形態では、特に直列に接続された電池セルを有する蓄電装置の電池制御ユニットについて説明する。
BT01 端子対
BT02 端子対
BT03 制御回路
BT04 切り替え回路
BT05 切り替え回路
BT06 変圧制御回路
BT07 変圧回路
BT08 電池部
BT09 電池セル
BT14 電流制御スイッチ
BT51 絶縁型DC−DCコンバータ
BT52 スイッチ部
BT53 トランス部
F1 端子
F2 端子
G1 端子
G2 端子
SW1 スイッチ
SW2 スイッチ
SW3 スイッチ
10 フィルム
10a 凸部
10b 凸部
10c 空間
11 領域
50 フィルム
51 フィルム
52 フィルム
53 エンボスロール
53a 凸部
54 ロール
55 エンボスロール
55a 凸部
56 エンボスプレート
56a 凸部
56b 凹部
57 エンボスプレート
57a 凸部
57b 凹部
60 進行方向
61 矢印
62 矢印
101 集電体
102 活物質層
103 活物質
104 結着剤
111 正極
111a 正極
115 負極
115a 負極
121 正極集電体
122 正極活物質層
123 セパレータ
125 負極集電体
126 負極活物質層
130 電極組立体
131 電極組立体
321 グラフェン化合物
331 領域
332 領域
333 領域
351 深さ
352 ピッチ
353 深さ
354 距離
355 フィルム厚さ
356 底部厚さ
357 高さ
500 蓄電装置
500a 領域
500c 領域
500d 領域
501 正極集電体
502 正極活物質層
503 正極
504 負極集電体
505 負極活物質層
506 負極
507 セパレータ
508 電解液
509 外装体
509a 領域
509b 領域
509c 領域
510 正極リード電極
511 負極リード電極
512 溶接領域
513 湾曲部
514 封止部
531 距離
533 距離
541 構造体
551 表示部
552 筐体
554 空間
561 領域
571 領域
572 領域
700 機器
900 回路基板
910 ラベル
911 端子
912 回路
913 蓄電池
914 アンテナ
915 アンテナ
916 層
917 層
918 アンテナ
919 端子
920 表示装置
921 センサ
922 端子
951 端子
952 端子
981 フィルム
982 フィルム
990 蓄電池
991 外装体
992 外装体
993 捲回体
994 負極
995 正極
996 セパレータ
997 リード電極
998 リード電極
1700 曲面
1701 平面
1702 曲線
1703 曲率半径
1704 曲率中心
1800 曲率中心
1801 フィルム
1802 曲率半径
1803 フィルム
1804 曲率半径
7100 携帯表示装置
7101 筐体
7102 表示部
7103 操作ボタン
7104 蓄電装置
7200 携帯情報端末
7201 筐体
7202 表示部
7203 バンド
7204 バックル
7205 操作ボタン
7206 入出力端子
7207 アイコン
7300 表示装置
7304 表示部
7400 携帯電話機
7401 筐体
7402 表示部
7403 操作ボタン
7404 外部接続ポート
7405 スピーカ
7406 マイク
7407 蓄電装置
7408 リード電極
7409 集電体
8000 表示装置
8001 筐体
8002 表示部
8003 スピーカ部
8004 蓄電装置
8021 充電装置
8022 ケーブル
8024 蓄電装置
8100 照明装置
8101 筐体
8102 光源
8103 蓄電装置
8104 天井
8105 側壁
8106 床
8107 窓
8200 室内機
8201 筐体
8202 送風口
8203 蓄電装置
8204 室外機
8300 電気冷凍冷蔵庫
8301 筐体
8302 冷蔵室用扉
8303 冷凍室用扉
8304 蓄電装置
8400 自動車
8401 ヘッドライト
8406 電気モーター
8500 自動車
9600 タブレット型端末
9625 スイッチ
9626 スイッチ
9627 電源スイッチ
9628 操作スイッチ
9629 留め具
9630 筐体
9630a 筐体
9630b 筐体
9631 表示部
9631a 表示部
9631b 表示部
9632a 領域
9632b 領域
9633 太陽電池
9634 充放電制御回路
9635 蓄電体
9636 DCDCコンバータ
9637 コンバータ
9638 操作キー
9639 ボタン
9640 可動部
Claims (9)
- フィルム、正極および負極を有し、
前記フィルムは、第1の面側に頂部を有する複数の第1の凸部及び複数の第2の凸部と、前記第1の面の裏側の第2の面側に頂部を有する複数の第3の凸部及び複数の第4の凸部と、を有し、
前記第1の凸部は、前記第3の凸部と隣り合う領域を有し、
前記第2の凸部は、前記第4の凸部と隣り合う領域を有し、
前記第1の凸部の深さ乃至前記第4の凸部の深さは、それぞれ0.15mm以上0.8mm未満であり、
前記第1の凸部の深さは、前記第2の凸部の深さより大きく、
前記第3の凸部の深さは、前記第4の凸部の深さより大きく、
前記フィルムは、金属層を有し、
前記金属層の厚さは、5μm以上200μm以下であり、
前記正極および前記負極は、前記フィルムにより包まれる蓄電装置。 - 請求項1において、
前記第1の凸部乃至前記第4の凸部は、前記フィルムの辺に対して斜めに配列されている蓄電装置。 - 請求項1または請求項2において、
前記第1の凸部の上面形状は、前記第3の凸部の上面形状と異なる蓄電装置。 - 請求項1乃至請求項3のいずれか一において、
前記フィルムの剛性率は、6.5×109N/m2より小さい蓄電装置。 - 請求項1乃至請求項4のいずれか一において、
前記フィルムの、上面からみた面積に対する表面積の比は1.005以上10以下である蓄電装置。 - 請求項1乃至請求項5のいずれか一において、
前記フィルムの破断点における歪みは0.6より大きく2以下である、蓄電装置。 - 請求項1乃至請求項6のいずれか一において、
前記金属層は、アルミニウムを有する蓄電装置。 - 請求項1乃至請求項7のいずれか一に記載の蓄電装置を有する、電池制御ユニット。
- 請求項1乃至請求項7のいずれか一に記載の蓄電装置を有する、電子機器。
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KR20170101120A (ko) | 2016-02-26 | 2017-09-05 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 축전 장치, 전지 제어 유닛 및 전자 기기 |
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