JP2014123663A - リチウムイオンキャパシタ用電極の製造装置及び製造方法 - Google Patents
リチウムイオンキャパシタ用電極の製造装置及び製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 61
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 51
- 239000003990 capacitor Substances 0.000 title claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 147
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 145
- 239000000843 powder Substances 0.000 claims abstract description 99
- 239000007772 electrode material Substances 0.000 claims abstract description 43
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 29
- 239000010409 thin film Substances 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 113
- 238000004804 winding Methods 0.000 description 30
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 22
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 11
- 239000010408 film Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 8
- 229910052756 noble gas Inorganic materials 0.000 description 6
- 239000012159 carrier gas Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000007751 thermal spraying Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
【解決手段】電極シートを搬出入可能な処理室200と,処理室内に希ガスを導入するための希ガス供給部230と,処理室内を排気して所定の真空圧力にする排気装置220と,処理室内に搬入される電極シートWの炭素材料C上に,リチウム含有粉末を溶融させながら吹き付けてリチウムの薄膜を成膜することにより,リチウムイオンをドーピングするリチウム溶射部210とを設けた。
【選択図】 図1
Description
先ず,本発明の実施形態にかかるリチウムイオンキャパシタ用電極製造装置(以下「電極製造装置」と称する。)について図面を参照しながら説明する。ここでは,リチウムイオン二次電池などのリチウムイオンキャパシタに用いられる負電極(アノード)を製造するための工程として,電極シート上の電極材料にリチウムイオンをドーピングする工程を実施するための電極製造装置(ドーピング装置)を例に挙げる。
次に,電極製造装置100による電極製造処理において,リチウムイオンをドーピングする際に用いられるロール状の電極シートについて説明する。ここではリチウムイオン二次電池の負電極を製造する際に用いられるロール状の電極シートを例に挙げる。
次に,このような炭素材料Cが形成された電極シートWに対して,本実施形態にかかる電極製造装置100を用いてリチウムイオンをドーピングすることによって,リチウムイオン二次電池用の負極のロール状電極シートを製造する電極製造処理について図面を参照しながら説明する。制御部300は,所定のプログラムに基づいて電極製造装置100の各部を制御することによって,ドーピング処理を実行するようになっている。図4は本実施形態にかかる電極製造処理の具体例を示すフローチャートである。
102A,102B ガイドローラ
110A 巻出し側収容室
110B 巻取り側収容室
112A 巻出し軸
112B 巻取り軸
114A,114B モータ
120A,120B 排気装置
122A,122B 排気口
130A,130B 希ガス供給部
132A,132B 希ガス供給源
133A,133B ガス導入口
134A,134B 配管
135A,135B マスフローコントローラ(MFC)
136A,136B 開閉バルブ
200 処理室
202A,202B ガイドローラ
210 リチウム溶射部
220 排気装置
222 排気口
230 希ガス供給部
232 希ガス供給源
233 ガス導入口
234,237,238 配管
235 マスフローコントローラ(MFC)
236 開閉バルブ
239 分岐配管
250 リチウム含有粉末供給部
252 孔部
254 粉末噴出口
256 ガス導入口
260 加熱ガス供給部
262 ガス管
263 支持部
264 ヒータ
266 ガラス管
268 ガス噴出口
270 ホッパー
274 バッフル板
276 貫通孔
280 加振器
290 撹拌機
292 モータ
300 制御部
310 操作部
320 記憶部
3200 制御部
C 炭素材料
GA,GB 連通口
W 電極シート
Claims (7)
- 電極シート上の電極材料にリチウムイオンをドーピングしてリチウムイオンキャパシタ用電極を製造する電極製造装置であって,
前記電極シートを搬出入可能な処理室と,
前記処理室内に希ガスを導入するための希ガス供給部と,
前記処理室内を排気して所定の真空圧力にする排気装置と,
前記処理室内に搬入される前記電極シートの電極材料上に,リチウム含有粉末を溶融させながら吹き付けてリチウムの薄膜を成膜することにより,前記電極材料にリチウムイオンをドーピングするリチウム溶射部と,
を備えたことを特徴とする電極製造装置。 - 前記リチウム溶射部は,前記電極シートの電極材料に向けて前記リチウム含有粉末を噴出するリチウム含有粉末供給部と,前記リチウム含有粉末供給部から噴出されたリチウム含有粉末を溶解する加熱ガスを供給する加熱ガス供給部と,を備えることを特徴とする請求項1に記載の電極製造装置。
- 前記リチウム含有粉末供給部は前記電極材料に対して垂直に配置され,前記加熱ガス供給部は前記リチウム含有粉末供給部に対して傾斜して,前記リチウム含有粉末供給部の粉末噴出口と前記電極材料との間に前記加熱ガスが噴出されるように配置されることを特徴とする請求項2に記載の電極製造装置。
- 前記電極シートはロール状であり,
前記処理室の両側に前記電極シートの収容室をそれぞれ設けてこれらを連通させて,前記電極シートを一方の収容室から巻出し,前記処理室内を通って他方の収容室で巻き取るように構成し,
前記リチウム溶射部は,前記電極シートが巻出されて前記処理室内を通る際に,その電極材料上にリチウムの薄膜を成膜することを特徴とする請求項2又は3に記載の電極製造装置。 - 前記リチウム含有粉末供給部は前記電極シートの幅方向に延出し,前記電極材料に対して垂直に配置された板状部材に,前記リチウム含有粉末を供給するための複数の孔部を前記電極シートの幅方向に並べて形成してなり,
前記加熱ガス供給部は,前記リチウム含有粉末供給部の各孔部についてそれぞれ,1つの孔部に対して前記電極シートの長手方向の両側に2つの加熱ガス供給部を対称に配置したことを特徴とする請求項4に記載の電極製造装置。 - 前記電極材料は炭素材料であることを特徴とする請求項1〜5のいずれかに記載の電極製造装置。
- 電極シート上の電極材料にリチウムイオンをドーピングしてリチウムイオンキャパシタ用電極を製造する電極製造方法であって,
前記電極シートを搬出入可能な処理室内を希ガス雰囲気にして減圧し,
前記処理室内に搬入される前記電極シートの電極材料上に,リチウム含有粉末を溶融させながら吹き付けてリチウムの薄膜を成膜することにより,前記電極材料にリチウムイオンをドーピングすることを特徴とする電極製造方法。
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TW102146177A TWI584321B (zh) | 2012-12-21 | 2013-12-13 | 鋰離子電容器用電極之製造裝置及製造方法 |
EP13198068.2A EP2747176B1 (en) | 2012-12-21 | 2013-12-18 | Electrode manufacturing apparatus for lithium ion capacitor and electrode manufacturing method therefor |
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US9777362B2 (en) | 2017-10-03 |
KR102099656B1 (ko) | 2020-04-10 |
EP2747176B1 (en) | 2018-06-20 |
JP6084841B2 (ja) | 2017-02-22 |
KR20140081676A (ko) | 2014-07-01 |
US20140178594A1 (en) | 2014-06-26 |
TWI584321B (zh) | 2017-05-21 |
EP2747176A3 (en) | 2014-10-01 |
US20170130312A1 (en) | 2017-05-11 |
TW201432752A (zh) | 2014-08-16 |
US9587300B2 (en) | 2017-03-07 |
EP2747176A2 (en) | 2014-06-25 |
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