Abstract: An electrochemical device capable of improving arrangement efficiency of bonded bodies and securing favorable sealing characteristics is provided. An electrolyte membrane 11 has a reaction region 11A sandwiched between a fuel electrode 12 and an oxygen electrode 13 and a peripheral region 11B exposed from between the fuel electrode 12 and the oxygen electrode 13. A connection member 20 has a bent section 23 between two flat sections 21 and 22. Since an adhesive layer 14 is provided in the peripheral section 11B of the electrolyte membrane 11, and the bent section 23 of the connection member 20 is bonded to the adhesive layer 14, arrangement efficiency of a bonded body 10 is improved, and favorable sealing characteristics are secured. The adhesive layer 14 has a structure in which a first contact layer having high adhesion to the electrolyte membrane 11, a barrier layer, a strength retention layer, and a second contact layer having high adhesion to the connection member 20 are sequentially laminated.

Abstract: A solid electrolyte battery is disclosed incorporating a wound electrode having a positive electrode with a collector having two sides on which positive-electrode active material layers are formed, a negative electrode with a collector having two sides on which negative-electrode active material layers are formed, and a solid electrolyte layer formed between the positive electrode and the negative electrode, wherein a total film thickness A of the positive-electrode active material layers satisfies a range from 60 mm to 150 mm and a ratio A/B of the total film thickness A of the positive-electrode active material layers with respect to a total thickness B of the negative-electrode active material layers satisfies a range from 0.5 to 1.2.

Abstract: A solid electrolyte battery is disclosed incorporating a wound electrode having a positive electrode with a collector having two sides on which positive-electrode active material layers are formed, a negative electrode with a collector having two sides on which negative-electrode active material layers are formed, and a solid electrolyte layer formed between the positive electrode and the negative electrode, wherein a total film thickness A of the positive-electrode active material layers satisfies a range from 60 mm to 150 mm and a ratio A/B of the total film thickness A of the positive-electrode active material layers with respect to a total thickness B of the negative-electrode active material layers satisfies a range from 0.5 to 1.2.

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: A solid electrolyte battery is disclosed incorporating a wound electrode having a positive electrode with a collector having two sides on which positive-electrode active material layers are formed, a negative electrode with a collector having two sides on which negative-electrode active material layers are formed, and a solid electrolyte layer formed between the positive electrode and the negative electrode, wherein a total film thickness A of the positive-electrode active material layers satisfies a range from 60 mm to 150 mm, and a ratio A/B of the total film thickness A of the positive-electrode active material layers with respect to a total thickness B of the negative-electrode active material layers satisfies a range from 0.5 to 1.2.

Abstract: A solid electrolyte battery is disclosed incorporating a wound electrode having a positive electrode with a collector having two sides on which positive-electrode active material layers are formed, a negative electrode with a collector having two sides on which negative-electrode active material layers are formed, and a solid electrolyte layer formed between the positive electrode and the negative electrode, wherein a total film thickness A of the positive-electrode active material layers satisfies a range from 60 mm to 150 mm, and a ratio A/B of the total film thickness A of the positive-electrode active material layers with respect to a total thickness B of the negative-electrode active material layers satisfies a range from 0.5 to 1.2.

Abstract: A solid electrolyte battery is disclosed incorporating a wound electrode having a positive electrode with a collector having two sides on which positive-electrode active material layers are formed, a negative electrode with a collector having two sides on which negative-electrode active material layers are formed, and a solid electrolyte layer formed between the positive electrode and the negative electrode a total film thickness A of the positive-electrode active material layers satisfies a range from 60 mm to 150 mm, and a ratio A/B of the total film thickness A of the positive-electrode active material layers with respect to a total thickness B of the negative-electrode active material layers satisfies a range from 0.5 to 1.2.

Abstract: A solid electrolyte cell in which cell characteristics are not deteriorated even on overdischarge to the cell voltage of 0V, such that the shape of the cell encapsulated in the laminate film is maintained. The cell includes a cathode containing a compound represented by the general formula LixFe1-yMyPO4 where 0.05≦x≦1.2, 0≦y≦0.8, and M is at least one selected from the group consisting of Mn, Cr, Co, Cu, Ni, V, Mo, Ti, Zn, Al, Ga, Mg, B and Nb, an anode and a solid electrolyte. An electrode unit 1 comprised of the cathode and the anode layered together with interposition of the solid electrolyte is encapsulated with a laminate film 2.

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: A solid electrolyte battery is disclosed which is capable of raising an energy density without deterioration of discharge load characteristics thereof, incorporating a wound electrode incorporating a positive electrode incorporating an elongated positive-electrode collector having two sides on which positive-electrode active material layers are formed, a negative electrode incorporating an elongated negative-electrode collector having two sides on which negative-electrode active material layers are formed and a solid electrolyte layer formed between the positive electrode and the negative electrode such that the positive electrode and the negative electrode are laminated and wound, wherein when an assumption is made that the total thickness of a pair of the positive-electrode active material layers formed on the two sides of the collector for the positive electrode is total film thickness A and the total thickness of a pair of the negative-electrode active material layers formed on the two sides of the collec

Abstract: The present invention provides a gel electrolyte cell including a non-aqueous electrolytic solution containing lithium-containing electrolyte salt solved in a non-aqueous solvent and made into a gel state by a matrix polymer, and the gel electrolyte contains vinylene carbonate or derivative thereof in the amount not less than 0.05 wt % and not greater than 5 wt %. This gel electrolyte exhibits an excellent chemical stability with the negative electrode, strength, and liquid-retention characteristic. This gel electrolyte enables to obtain a gel electrolyte cell satisfying the cell capacity, cycle characteristic, load characteristic, and low-temperature characteristic.

Abstract: A gel electrolyte comprised of a non-aqueous electrolytic solution immersed in a matrix polymer, in which ion conductivity of a solvent is improved and superior cyclic characteristics are achieved. To this end, the gel electrolyte includes an electrolyte, a matrix polymer and a non-aqueous solvent. The non-aqueous solvent is a mixed solvent of ethylene carbonate (EC), propylene carbonate (PC) and &ggr;-butyrolactone (GBL). The non-aqueous solvent is of a weight composition in an area in a triangular phase diagram (EC, PC, GBL) surrounded by a point (70, 30, 0), a point (55, 15, 30), a point (15, 55, 30) and a point (30, 70, 0). A gel electrolyte battery employing this electrolyte is also disclosed.

Abstract: A solid-electrolyte battery incorporating an elongated electrode; a positive-electrode lead connected to the positive electrode such that its long side is substantially in parallel with the widthwise direction of the positive electrode and formed into a rectangle-like shape; an elongated negative electrode disposed opposite to the positive electrode; a negative-electrode lead connected to the negative electrode such that its long side is substantially in parallel with the widthwise direction of the negative electrode and formed into a rectangle-like shape; and a solid electrolyte layer formed on at least either surface of the positive electrode and the negative electrode, wherein the positive electrode and the negative electrode are laminated such that the surfaces on each of which the solid electrolyte layer is formed are disposed opposite to each other and wound in the lengthwise direction so as to be accommodated in a case of the solid-electrolyte battery, and a short side of at least either of the positiv

Abstract: A solid electrolyte cell in which cell characteristics are not deteriorated even on overdischarge to the cell voltage of 0V, such that the shape of the cell encapsulated in the laminate film is maintained. The cell includes a cathode containing a compound represented by the general formula LixFe1-yMyPO4 where 0.05≦x≦1.2, 0≦y≦0.8, and M is at least one selected from the group consisting of Mn, Cr, Co, Cu, Ni, V, Mo, Ti, Zn, Al, Ga, Mg, B and Nb, an anode and a solid electrolyte. An electrode unit 1 comprised of the cathode and the anode layered together with interposition of the solid electrolyte is encapsulated with a laminate film 2.

Abstract: A solid electrolyte battery having a high energy density and in which it is possible to prevent internal shorting. The solid electrolyte battery includes a positive electrode, a negative electrode arranged facing the positive electrode and a solid electrolyte layer formed on a surface of at least one of the positive and negative electrodes. The positive and negative electrodes are arranged with the solid electrolyte layer carrying sides facing each other. One of the positive and negative electrodes is smaller in size than the other electrode, while the solid electrolyte layer formed on the electrode smaller in size is formed so as to be larger than the electrode smaller in size.