JP2006086355A - 非水電解液二次電源 - Google Patents
非水電解液二次電源 Download PDFInfo
- Publication number
- JP2006086355A JP2006086355A JP2004269965A JP2004269965A JP2006086355A JP 2006086355 A JP2006086355 A JP 2006086355A JP 2004269965 A JP2004269965 A JP 2004269965A JP 2004269965 A JP2004269965 A JP 2004269965A JP 2006086355 A JP2006086355 A JP 2006086355A
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- JP
- Japan
- Prior art keywords
- aqueous electrolyte
- secondary power
- electrolyte secondary
- power source
- compound
- 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.)
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 98
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 63
- -1 phosphagen compound Chemical class 0.000 claims abstract description 61
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 45
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 38
- 150000001875 compounds Chemical class 0.000 claims abstract description 35
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 32
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 31
- 239000011574 phosphorus Substances 0.000 claims abstract description 31
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 26
- 239000003792 electrolyte Substances 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 16
- 239000008151 electrolyte solution Substances 0.000 claims description 17
- 229910052736 halogen Inorganic materials 0.000 claims description 14
- 150000002367 halogens Chemical class 0.000 claims description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 13
- 229910052717 sulfur Inorganic materials 0.000 claims description 13
- 239000011593 sulfur Substances 0.000 claims description 13
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 11
- 229910052711 selenium Inorganic materials 0.000 claims description 11
- 239000011669 selenium Substances 0.000 claims description 11
- 125000005647 linker group Chemical group 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052787 antimony Inorganic materials 0.000 claims description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052785 arsenic Inorganic materials 0.000 claims description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052797 bismuth Inorganic materials 0.000 claims description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 5
- 229910052732 germanium Inorganic materials 0.000 claims description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052699 polonium Inorganic materials 0.000 claims description 5
- HZEBHPIOVYHPMT-UHFFFAOYSA-N polonium atom Chemical compound [Po] HZEBHPIOVYHPMT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052714 tellurium Inorganic materials 0.000 claims description 5
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052718 tin Inorganic materials 0.000 claims description 5
- 239000011135 tin Substances 0.000 claims description 5
- 238000002441 X-ray diffraction Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 19
- 125000001424 substituent group Chemical group 0.000 description 18
- 238000000034 method Methods 0.000 description 12
- 229910052731 fluorine Inorganic materials 0.000 description 11
- 239000011737 fluorine Substances 0.000 description 10
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- 150000003839 salts Chemical class 0.000 description 9
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 8
- 125000003545 alkoxy group Chemical group 0.000 description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 6
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical class CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 5
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 125000002252 acyl group Chemical group 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 4
- 229910052794 bromium Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 239000006258 conductive agent Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
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- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
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- 238000003795 desorption Methods 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
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- 229910003002 lithium salt Inorganic materials 0.000 description 2
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- 239000010937 tungsten Substances 0.000 description 2
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
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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
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Abstract
【解決手段】多孔性炭素を含む正極と、リチウムイオンを吸蔵及び脱離できる炭素材料を含む負極と、リチウムイオンを含む非水電解液とを備えた非水電解液二次電源において、前記非水電解液の限界酸素指数が19.5体積%以上であることを特徴とする非水電解液二次電源である。ここで、前記非水電解液は、分子中にリン及び/又は窒素を有する化合物の少なくとも1種を含有するのが好ましく、リン−窒素間二重結合を有する化合物を含有するのが更に好ましく、ホスファゼン化合物を含有するの特に好ましい。
【選択図】なし
Description
[式中、R1は、それぞれ独立して一価の置換基又はハロゲン元素を表し;Y1は、それぞれ独立して2価の連結基、2価の元素又は単結合を表し;Xは、炭素、ケイ素、ゲルマニウム、スズ、窒素、リン、ヒ素、アンチモン、ビスマス、酸素、硫黄、セレン、テルル及びポロニウムからなる群から選ばれる元素の少なくとも1種を含む置換基を表す]で表される鎖状ホスファゼン化合物、及び下記式(II):
(NPR2 2)n ・・・ (II)
[式中、R2はそれぞれ独立して一価の置換基又はハロゲン元素を表し;nは3〜15を表す]で表される環状ホスファゼン化合物が好ましい。
[式(III)、式(IV)及び式(V)中、R3、R4及びR5は、それぞれ独立に一価の置換基又はハロゲン元素を表し;Y3、Y4及びY5は、それぞれ独立に2価の連結基、2価の元素又は単結合を表し;Zは2価の基又は2価の元素を表す]で表される置換基が更に好ましい。
表1に示す配合の非プロトン性有機溶媒及びホスファゼン化合物からなる混合溶液に、LiBF4(支持塩)を0.75mol/L(M)の濃度で溶解させて非水電解液を調製し、以下に示す方法で該非水電解液の限界酸素指数を測定した。
JIS K 7201に準じて、電解液の限界酸素指数を測定した。限界酸素指数が大きい程、電解液が燃焼し難いことを示す。具体的には、SiO2シート(石英濾紙、不燃性)127mm×12.7mmをU字型のアルミ箔で補強して自立可能とし、該SiO2シートに前記電解液1.0mLを含浸して試験片を作製した。該試験片を試験片支持具に垂直に、燃焼円筒(内径75mm、高さ450mm、直径4mmのガラス粒を底部から100±5mmの厚さに均等に満たし金属製の網をその上に置いたもの)の上端部から100mm以上の距離に位置するように取り付け、次に、燃焼円筒に酸素(JIS K 1101又はこれと同等以上のもの)及び窒素(JIS K 1107の2級又はこれと同等以上のもの)を流し、試験片を空気中で点火し(熱源はJIS K 2240の1種1号)、燃焼状態を調べた。但し、燃焼円筒内の総流量は11.4L/minである。この試験を3回行い、その平均値を表1に示す。なお、酸素指数とは、材料が燃焼を持続するのに必要な容量パーセントで表される最低酸素濃度の値をいい、本願では、試験片が3分以上継続して燃焼するか、着炎後の燃焼長さが50mm以上燃えるのに必要な最低の酸素流量とそのときの窒素流量から、下記の式:
限界酸素指数=(酸素流量)/[(酸素流量)+(窒素流量)]×100(体積%)
に従って限界酸素指数を算出した。
フェノール樹脂を原料として水蒸気賦活法によって得た比表面積1500m2/gの活性炭80質量%と、導電性カーボンブラック10質量%と、バインダーとしてのポリテトラフルオロエチレン10質量%とからなる混合物にエタノールを加えて混練し、70℃で24時間乾燥し、更に混練生地を粉末状に粉砕した。この粉末を0.070g秤り取り、φ14mmの金型に封入し、50MPaで5分間圧粉成型を行い、厚さ600μmの正極を作製した。得られた正極に日本黒鉛工業製導電接着剤エブリオームを塗布し、2032型コインセルの正極缶へ接合し、更に減圧下、150℃で24時間熱処理して、正極体とした。
ポリフッ化ビニリデンをN-メチル-2-ピロリジノン(NMP)に溶解した溶液に、リチウムイオンを吸蔵・脱離し得る炭素材料として、[002]面の面間隔が0.338nmの黒鉛系炭素材料[大阪ガス化学社製, 商品名:MCMB6−28]を分散させ、更に銅からなる集電体に塗布して乾燥し、集電体上に負極を形成した。なお、負極中のリチウムイオンを吸蔵・脱離し得る炭素材料とポリフッ化ビニリデンとの割合は、質量比で9:1であった。これを更にφ14mm、厚さ45μmに打ち抜いたものを10MPaで30秒プレスし、その後、減圧下、150℃で10時間熱処理し、負極体とした。
ポリエチレン製セパレーターを介して上記正極体と負極体との電極面を対向させ、更に上記非水電解液を充分に注液し含浸させて、2032型コインセルを作製し、非水電解液二次電源とした。得られた二次電源に対して、下記の方法で、初期容量及び2000サイクル後の容量変化率を測定した。結果を表1に示す。
まず、作製した二次電源に対して、4.2Vから2.75Vまでの初期容量を測定した。その後、充放電電流2mA/cm2で、4.0Vから2.75Vまでの範囲で充放電サイクルを行い、2000サイクル後の容量を測定し、下記式:
容量変化率=(2000サイクル後の容量−初期容量)/初期容量×100(%)
から容量変化率を算出した。
Claims (12)
- 多孔性炭素を含む正極と、リチウムイオンを吸蔵及び脱離できる炭素材料を含む負極と、リチウムイオンを含む非水電解液とを備えた非水電解液二次電源において、
前記非水電解液の限界酸素指数が19.5体積%以上であることを特徴とする非水電解液二次電源。 - 前記非水電解液が分子中にリンを有する化合物の少なくとも1種を含有することを特徴とする請求項1に記載の非水電解液二次電源。
- 前記非水電解液が分子中に窒素を有する化合物の少なくとも1種を含有することを特徴とする請求項1に記載の非水電解液二次電源。
- 前記非水電解液が分子中にリン及び窒素を有する化合物の少なくとも1種を含有することを特徴とする請求項1〜3のいずれかに記載の非水電解液二次電源。
- 前記分子中にリン及び窒素を有する化合物がリン−窒素間二重結合を有することを特徴とする請求項4に記載の非水電解液二次電源。
- 前記分子中にリン及び窒素を有し且つリン−窒素間二重結合を有する化合物がホスファゼン化合物であることを特徴とする請求項5に記載の非水電解液二次電源。
- 前記非水電解液中の前記分子中にリン及び/又は窒素を有する化合物の含有量が0.5〜20質量%であることを特徴とする請求項2〜7のいずれかに記載の非水電解液二次電源。
- 前記非水電解液が更に非プロトン性有機溶媒を含有することを特徴とする請求項1に記載の非水電解液二次電源。
- 前記正極に含まれる多孔性炭素が活性炭であることを特徴とする請求項1に記載の非水電解液二次電源。
- 前記負極に含まれるリチウムイオンを吸蔵及び脱離できる炭素材料は、X線回折法による[002]面の平均面間隔が0.335〜0.410nmであることを特徴とする請求項1に記載の非水電解液二次電源。
- 充電電圧が2.5V以上であることを特徴とする請求項1に記載の非水電解液二次電源。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011204822A (ja) * | 2010-03-25 | 2011-10-13 | Jm Energy Corp | リチウムイオンキャパシタ |
| JP2015050280A (ja) * | 2013-08-30 | 2015-03-16 | 旭化成株式会社 | 非水系リチウム型蓄電素子 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003208925A (ja) * | 2001-09-20 | 2003-07-25 | Asahi Glass Co Ltd | 二次電源 |
| JP2004006301A (ja) * | 2002-04-10 | 2004-01-08 | Bridgestone Corp | 非水電解液2次電池用の正極及びその製造方法、並びに該正極を備えた非水電解液2次電池 |
| WO2004059671A1 (ja) * | 2002-12-26 | 2004-07-15 | Bridgestone Corporation | 電気二重層キャパシタの非水電解液用添加剤及び非水電解液電気二重層キャパシタ |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003208925A (ja) * | 2001-09-20 | 2003-07-25 | Asahi Glass Co Ltd | 二次電源 |
| JP2004006301A (ja) * | 2002-04-10 | 2004-01-08 | Bridgestone Corp | 非水電解液2次電池用の正極及びその製造方法、並びに該正極を備えた非水電解液2次電池 |
| WO2004059671A1 (ja) * | 2002-12-26 | 2004-07-15 | Bridgestone Corporation | 電気二重層キャパシタの非水電解液用添加剤及び非水電解液電気二重層キャパシタ |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011204822A (ja) * | 2010-03-25 | 2011-10-13 | Jm Energy Corp | リチウムイオンキャパシタ |
| JP2015050280A (ja) * | 2013-08-30 | 2015-03-16 | 旭化成株式会社 | 非水系リチウム型蓄電素子 |
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