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91Â¥2015-04-09 14:37:04
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92Â¥2015-04-09 14:54:21
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93Â¥2015-04-09 16:37:24
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starpigeon

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Actually it is only a new kind of supercapacitor, even though they claimed that it was an aluminum ion battery. It is the ionic liquid electrolyte (EMImAlCl4) that reacts with (AlCl4- anions intercalate into) graphite foil under moderate voltage, not Al3+ cations from Al electrode. If the Al electrode is replaced by other stable metal or graphite, the results should be the same. Compared with other real aluminum ion battery (Chem. Commun., 2011, 47, 12610¨C12612), its specific capacity is too low (60 vs 273 mAh/g). As a supercapacitor, its specific capacitance is only 4A/g*54s/(2.45-0.4V)=105.4 F/g. I can only smile on this "Nature" paper.
94Â¥2015-04-09 22:03:40
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sci605

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94Â¥: Originally posted by starpigeon at 2015-04-09 22:03:40
Actually it is only a new kind of supercapacitor, even though they claimed that it was an aluminum ion battery. It is the ionic liquid electrolyte (EMImAlCl4) that reacts with (AlCl4- anions intercal ...

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95Â¥2015-04-10 10:42:51
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nanobox

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The rechargeable aluminum-ion battery
By:Jayaprakash, N (Jayaprakash, N.) ; Das, SK (Das, S. K.) ; Archer, LA (Archer, L. A.)
CHEMICAL COMMUNICATIONS
Volume: 47  Issue: 47  Pages: 12610-12612
DOI: 10.1039/c1cc15779e
Published: 2011

Abstract
We report a novel aluminium-ion rechargeable battery comprised of an electrolyte containing AlCl(3) in the ionic liquid, 1-ethyl-3-methylimidazolium chloride, and a V(2)O(5) nano-wire cathode against an aluminium metal anode. The battery delivered a discharge capacity of 305 mAh g(-1) in the first cycle and 273 mAh g(-1) after 20 cycles, with very stable electrochemical behaviour.
96Â¥2015-04-10 11:24:04
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770904134

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97Â¥2015-04-10 11:48:49
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98Â¥2015-04-10 12:10:37
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shdweller

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ÒýÓûØÌû:
94Â¥: Originally posted by starpigeon at 2015-04-09 22:03:40
Actually it is only a new kind of supercapacitor, even though they claimed that it was an aluminum ion battery. It is the ionic liquid electrolyte (EMImAlCl4) that reacts with (AlCl4- anions intercal ...

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99Â¥2015-04-21 03:00:14
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