Liquid resistant battery pack

Abstract

Aspects of the present disclosure involve various battery packs. In general, the battery pack includes a plurality of layers and an enclosure enclosing the plurality of layers. A cathode terminal and an anode terminal extend from a first face of the enclosure. The cathode terminal and the anode terminal are connected to the plurality of layers. A connector comprising a portion external to the enclosure is configured to connect the cathode terminal or the anode terminal to the plurality of layers. A coating covers an entire surface of the enclosure except for at least a portion of a surface of the first face.

What is claimed is: 
     
         1 . A battery pack comprising:
 a plurality of layers;   an enclosure enclosing the plurality of layers;   a cathode terminal and an anode terminal extending from a first face of the enclosure, wherein the cathode terminal and the anode terminal are connected to the plurality of layers;   a connector comprising a portion external to the enclosure, wherein the connector is configured to connect the cathode terminal or the anode terminal to the plurality of layers; and   a coating covering an entire surface of the enclosure except for at least a portion of a surface of the first face.   
     
     
         2 . The battery pack of  claim 1 , further comprising:
 a liquid resistant tape coating covering the portion of the surface of the first face.   
     
     
         3 . The battery pack of  claim 1 , wherein the portion of the surface of the first face of the enclosure comprises a region of the surface of the first face from which the cathode terminal and the anode terminal extend. 
     
     
         4 . The battery pack of  claim 1 , wherein the coating is a material comprising Parylene. 
     
     
         5 . The battery pack of  claim 1 , wherein the coating further covers a surface of the external portion of the connector. 
     
     
         6 . The battery pack of  claim 1 , wherein the external portion of the connector is connected to the first face of the enclosure at a first position and is connected to a second face of the enclosure at a second position. 
     
     
         7 . The battery pack of  claim 6 , further comprising:
 a first liquid resistant tape coating covering the first position; and   a second liquid resistant tape coating covering the second position.   
     
     
         8 . The battery back of  claim 6 , further comprising:
 a liquid resistant tape coating covering at least a portion of a surface of the second face of the enclosure.   
     
     
         9 . A method for manufacturing a battery pack, the method comprising:
 inserting a plurality of layers within an enclosure;   connecting a cathode terminal extending from a first face of the enclosure to the plurality of layers;   connecting one end of a connector to an anode terminal extending from the first face of the enclosure and connecting another end of the connector to the plurality of layers, wherein the connector comprises a portion external to the enclosure; and   applying a coating to entire surface of the enclosure except for at least a portion of a surface of the first face.   
     
     
         10 . The method of  claim 9 , further comprising applying a liquid resistant tape coating to the portion of the surface of the first face. 
     
     
         11 . The method of  claim 9 , wherein the portion of the surface of the first face of the enclosure comprises a region of the surface of the first face from which the cathode terminal and the anode terminal extend. 
     
     
         12 . The method of  claim 9 , wherein the coating is a material comprising Parylene. 
     
     
         13 . The method of  claim 9 , further comprising applying the coating to a surface of the external portion of the connector. 
     
     
         14 . The method of  claim 11 , further comprising:
 joining the external portion of the connector to the first face of the enclosure at a first position and joining the external portion of the connector to a second face of the enclosure at a second position.   
     
     
         15 . The method of  claim 14 , further comprising applying a first liquid resistant tape coating covering the first position and applying a second liquid resistant tape coating covering the second position. 
     
     
         16 . A portable electronic device, comprising:
 a set of components powered by a battery pack; and   a device enclosure configured to receive the battery pack,   the battery pack comprising:
 a plurality of layers; 
 an enclosure enclosing the plurality of layers; 
 a cathode terminal and an anode terminal extending from a first face of the enclosure, wherein the cathode terminal and the anode terminal are connected to the plurality of layers; 
 a connector comprising a portion external to the enclosure, wherein the connector is configured to connect the cathode terminal or the anode terminal to the plurality of layers; and 
 a coating covering an entire surface of the enclosure except for at least a portion of a surface of the first face. 
   
     
     
         17 . The portable electronic device of  claim 16 , wherein the battery pack further comprises a liquid resistant tape coating covering the portion of the surface of the first face. 
     
     
         18 . The portable electronic device of  claim 16 , wherein the portion of the surface of the first face of the enclosure comprises a region of the surface of the first face from which the cathode terminal and the anode terminal extend. 
     
     
         19 . The portable electronic device of  claim 16 , wherein the coating is a material comprising Parylene. 
     
     
         20 . The portable electronic device of  claim 16 , wherein the external portion of the connector is connected to the first face of the enclosure at a first position and is connected to a second face of the enclosure at a second position, the battery pack further comprising:
 a first liquid resistant tape coating covering the first position; and   a second liquid resistant tape coating covering the second position.