The application of carbon gel is very wide include adsorption and electric double layer. There exist some problem like economic adapting, but it is can be used deodorization or water-treatment instead of activated carbon. If we mix carbon gel in soil, we will get better aeration and draining.
But the field of most valuable is battery field of course. The reason is some kind of portable electrics like notebook-PC, cellular phone, MDP, DVC, digital cam need more smaller and lighter battery. It is the carbon gel that makes more smaller and lighter battery.