A main object of the present disclosure is to provide an all solid state battery with excellent cycle characteristics. The present disclosure achieves the object by providing an all solid state battery comprising, in an order of, a cathode CA1, a first solid electrolyte layer, an anode AN, a second solid electrolyte layer, and a cathode CA2, along a thickness direction, wherein: the first solid electrolyte layer contains a first nonwoven fabric, and a first solid electrolyte arranged inside the first nonwoven fabric; the second solid electrolyte layer contains a second nonwoven fabric, and a second solid electrolyte arranged inside the second nonwoven fabric; and in a plan view along the thickness direction, an angle formed by a first fabric direction in the first nonwoven fabric and a second fabric direction in the second nonwoven fabric is 45° or more and 90° or less.

A main object of the present disclosure is to provide an all solid state battery with excellent cycle characteristics. The present disclosure achieves the object by providing an all solid state battery comprising, in an order of, a cathode CA1, a first solid electrolyte layer, an anode AN, a second solid electrolyte layer, and a cathode CA2, along a thickness direction, wherein: the first solid electrolyte layer contains a first nonwoven fabric, and a first solid electrolyte arranged inside the first nonwoven fabric; the second solid electrolyte layer contains a second nonwoven fabric, and a second solid electrolyte arranged inside the second nonwoven fabric; and in a plan view along the thickness direction, an angle formed by a first fabric direction in the first nonwoven fabric and a second fabric direction in the second nonwoven fabric is 45° or more and 90° or less.

An all solid state battery includes an electrode structure body including a cathode layer, an anode layer, and a solid electrolyte layer arranged between the cathode layer and the anode layer, wherein: the electrode structure body includes a facing part where the cathode layer and the anode layer face to each other; in a plan view along a thickness direction, a shape of the facing part is a rectangular shape including a longer side and a shorter side; a rate of a length of the longer side with respect to a length of the shorter side is 1.5 or more; the solid electrolyte layer contains a nonwoven fabric, and a solid electrolyte arranged inside the nonwoven fabric; and in the plan view, an angle formed by a longer direction in the facing part and a fabric direction in the nonwoven fabric is 0° or more and 30° or less.

An all solid state battery includes an electrode structure body including a cathode layer, an anode layer, and a solid electrolyte layer arranged between the cathode layer and the anode layer, wherein: the electrode structure body includes a facing part where the cathode layer and the anode layer face to each other; in a plan view along a thickness direction, a shape of the facing part is a rectangular shape including a longer side and a shorter side; a rate of a length of the longer side with respect to a length of the shorter side is 1.5 or more; the solid electrolyte layer contains a nonwoven fabric, and a solid electrolyte arranged inside the nonwoven fabric; and in the plan view, an angle formed by a longer direction in the facing part and a fabric direction in the nonwoven fabric is 0° or more and 30° or less.

Methods for the preparation of carbon fiber from polyolefin fiber precursor, wherein the polyolefin fiber precursor is partially sulfonated and then carbonized to produce carbon fiber. Methods for producing hollow carbon fibers, wherein the hollow core is circular- or complex-shaped, are also described. Methods for producing carbon fibers possessing a circular- or complex-shaped outer surface, which may be solid or hollow, are also described.

Methods for the preparation of carbon fiber from polyolefin fiber precursor, wherein the polyolefin fiber precursor is partially sulfonated and then carbonized to produce carbon fiber. Methods for producing hollow carbon fibers, wherein the hollow core is circular- or complex-shaped, are also described. Methods for producing carbon fibers possessing a circular- or complex-shaped outer surface, which may be solid or hollow, are also described.

A conductive sheet comprising a conductive substrate layer and a hydrogel layer formed of a silicone hydrogel having a polymer comprising a repeat unit (A) derived from a monomer represented by Formula (I) as a gel skeleton. Provided is a conductive sheet which can maintain adhesiveness and flexibility even when used for a long period of time and can attain high biocompatibility.

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A sulfonated polymer fiber screen and a method for fabricating the same is disclosed. For example, a composition may include a plurality of sulfonated polymer fibers. The sulfonated polymer fibers may include polyether ether ketone (PEEK) fibers or polyaryl ether ketone (PAEK) fibers that are contacted with an acid bath that includes a sulfur containing group.

Chemical compositions and techniques for treating wool (and other animal hair-based) fabrics are provided. In particular, compositions and techniques for unshrinking wool fabrics and garments are provided.

Chemical compositions and techniques for treating wool (and other animal hair-based) fabrics are provided. In particular, compositions and techniques for unshrinking wool fabrics and garments are provided.