A gelling agent for use in an alkaline battery comprises a cross-linked polymer formed with a acrylic acid as a principal constituent monomer unit, wherein the gelling agent allows an obtained gel to have a viscosity ratio, determined as follows, of 0. In one embodiment, the EV fuel return system includes a housing assembly having a fuel return outlet and a first manifold inlet. The fluid distribution apparatus further includes a plurality of inlet nozzles fluidly connected to the annular space and disposed through the centerpipe for distributing the fluid from the annular space to a bed of the fluidized bed reactor. Upon determining that the UE is associated with the enterprise, a notification message is sent from the server to the UE, through an information element field within an existing message in a bearer channel of the network.