2results about How to "Solve easy collapse" patented technology

The utility model discloses a self -adhesive of can improve the adhesion fastening, including self -adhesive body, the self -adhesive body includes base material layer, the bottom of base material layer is provided with first viscose layer, the bottom of first viscose layer is provided with release paper, be provided with wrinkle prevention subassembly on base material layer, the utility model discloses a wrinkle prevention subassembly can be to the whole of self -adhesive body carries out multidirectional support, makes self -adhesive body when pasting can keep certain tight state, greatly improved the wrinkle prevention effect of self -adhesive body, avoid self -adhesive body when pasting easily because of wrinkle and reduce the adhesion fastening of self -adhesive body, thereby improved the use effect of self -adhesive body, and can after self -adhesive body pastes in the position with certain camber, take down wrinkle prevention subassembly fast, avoid having certain elasticity wrinkle prevention subassembly influence the pasting firmness of self -adhesive body.

The application discloses a kind of three-dimensional mesoporous carbon composite silicon-carbon negative electrode materials and preparation method and application thereof, and relates to the technical field of battery.A kind of preparation method of three-dimensional mesoporous carbon composite silicon-carbon negative electrode material, comprising the following steps: additive 1 and additive 2 are dissolved in deionized water respectively, obtain solution A and solution B, in solution A is added to solution B, obtain solution C;Additive 3 is dissolved in deionized water, obtain solution D, solution C is added to solution D, obtain solution E;High-temperature calcination obtains template A;After reaction, solution G is obtained;Template B is obtained;Sample is obtained;Carbonized sample is obtained, after drying, dry sample is obtained;Dry sample is activated at high temperature in carbon dioxide gas environment, obtain three-dimensional mesoporous carbon material, then carry out chemical vapor deposition, obtain three-dimensional mesoporous carbon composite silicon-carbon negative electrode material.The application solves the problem that significant volume expansion occurs in the charge and discharge process of silicon-based negative electrode material.