 Detection of DC content in an AC waveform |
| According to the present invention, the DC content of an AC waveform is determined by measuring and ... |
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| Apparatus for correcting DC component of output voltage in inverter |
| An object of the invention is to provide apparatus for correcting the DC component of the output ... |
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| DC content control for an inverter |
| In accordance with the present invention, a control for an inverter controls DC content in the ... |
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| Switching power supply with foldback current limiting |
| What is claimed is: 1. In a switching power supply, apparatus comprising in combination: a ... |
|
| Computer-controlled synthetic waveform generator |
| FIG. 1 is a schematic diagram of an energy conversion system according to the present invention. A... |
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| Inverter for converting a direct voltage into an alternating voltage |
| It is an object of the invention to provide an inverter which, using minimum circuitry, is able to ... |
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| Power converter with current-type inverter |
| Accordingly, it is an object of the present invention to provide a power converter comprising a ... |
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| DC-to-DC converters employing staggered-phase power switches with two-loop control |
| An object of this invention is to provide for N phase staggered power switches in a dc-to-dc ... |
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| Regulated power supply having a series arrangement of inverters |
| What is claimed is: 1. In an A.C.-to-D.C. regulated power supply of the type utilizing inverters in ... |
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Non-aqueous electrolyte secondary battery
| Details |
Inventors: Ito, Shuji; Murata, Toshihide; Bito, Yasuhiko; Toyoguchi, Yoshinori;
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka-fu, JP)
Primary Examiner: Nuzzolillo; Maria
Assistant Examiner: Martin; Angela J.
Attorney, Agent or Firm: Akin, Gump, Strauss, Hauer & Feld, L.L.P.
The present invention provides a non-aqueous electrolyte secondary battery having an anode active material with a high capacity and excellent cycle characteristics. The active material comprises a salt of a metal or a semi-metal and a compound selected from the group consisting of oxo-acids, thiocyanic acid, cyanogen, and cyanic acid, wherein each said oxo-acid comprises an element selected from the group consisting of nitrogen, sulfur, carbon, boron, phosphorus, selenium, tellurium, tungsten, molybdenum, titanium, chromium, zirconium, niobium, tantalum, manganese, and vanadium, salts of said oxo-acids of phosphorus and boron being restricted to hydrogenphosphates and hydrogenborates. |
|
DETAILED DESCRIPTION OF THE INVENTION As discussed above, the anode of the present invention comprises a metal salt or a semi-metal salt of a specific acid or cyanogen.
In the following description, salts of a divalent metal M.
sup.
II are given as examples.
Salts of nitrogen oxo-acids include nitrates M.
sup.
II (NO.
sub.
3).
sub.
2 and nitrites M.
sup.
II (NO.
sub.
2).
sub.
2.
Salts of sulfur oxo-acids include sulfates M.
sup.
II SO.
sub.
4, sulfites M.
sup.
II SO.
sub.
3, disulfates M.
sup.
II S.
sub.
2 O.
sub.
7, peroxomonosulfates M.
sup.
II SO.
sub.
5, peroxodisulfates M.
sup.
II S.
sub.
2 O.
sub.
8, thiosulfates M.
sup.
II S.
sub.
2 O.
sub.
3, disulfites M.
sup.
II S.
sub.
2 O.
sub.
5, thiosulfites M.
sup.
II S.
sub.
2 O.
sub.
2, hydrogensulfates such as M.
sup.
II (HSO.
sub.
4).
sub.
2, thionates such as dithionates M.
sup.
II S.
sub.
2 O.
sub.
6 and dithionites M.
sup.
II S.
sub.
2 O.
sub.
4, sulfoxylates such as M.
sup.
II SO.
sub.
2, and hydrogen-containing acid salts.
Preferable salts of phosphorus oxo-acids include hydrogenphosphates such as M.
sup.
II HPO.
sub.
4 and M.
sup.
II (H.
sub.
2 PO.
sub.
4).
sub.
2, phosphinates M.
sup.
II (PH.
sub.
2 O.
sub.
2).
sub.
2, and phosphonates M.
sup.
II PHO.
sub.
3.
Salts of carbon oxo-acids include carbonates M.
sup.
II CO.
sub.
3 and hydrogencarbonates M.
sup.
II (HCO.
sub.
3).
sub.
2.
Preferable salts of boron oxo-acids include hydrogenborates such as M.
sup.
II (H.
sub.
2 BO.
sub.
3).
sub.
2 and M.
sup.
II HBO.
sub.
3.
Salts of selenium oxo-acids include selenates M.
sup.
II SeO.
sub.
4, selenites M.
sup.
II SeO.
sub.
3, M.
sup.
II SeO.
sub.
5, hydrogenselenates M.
sup.
II (HSeO.
sub.
4).
sub.
2, and hydrogenselenites M.
sup.
II (HSeO.
sub.
3).
sub.
2.
Salts of tellurium oxo-acids include tellurates such as M.
sup.
II.
sub.
3 TeO.
sub.
6 and M.
sub.
II TeO.
sub.
4, and hydrogentellurates such as M.
sup.
II.
sub.
5 (H.
sub.
5 TeO.
sub.
6).
sub.
2, M.
sup.
II .
sub.
2 H.
sub.
2 TeO.
sub.
6, M.
sup.
II.
sub.
3 (H.
sub.
3 TeO.
sub.
6).
sub.
2, and M.
sup.
II H.
sub.
4 TeO.
sub.
6.
Available thiocyanates include M.
sup.
II (SCN).
sub.
2, while available cyanides and cyanates include M.
sup.
II (CN).
sub.
2 and M.
sup.
II (ONC).
sub.
2
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Fuel Cells 
