A lithium ion battery module , comprising: - a plurality of prismatic lithium ion battery cells disposed in a housing of the lithium ion battery module in adjacent columns, wherein the prismatic lithium ion battery cells of the plurality of prismatic lithium ion battery cells are electrically coupled to one another and to a terminal of the lithium ion battery module ; wherein each lithium ion battery cell of the plurality of lithium ion battery cells comprises: - a prismatic cell casing enclosing electrochemically active components including lithium nickel cobalt manganese oxide (NMC, LiNi x Mn y Co z O 2 , where x+y+z=1) as cathode active material and lithium titanate (LTO) as anode active material, wherein the prismatic cell casing comprises a terminal end portion having cell terminals disposed thereon, a base portion substantially opposite the terminal end portion , a first face and a second face each extending between the terminal end portion and the base portion , and a first side and a second side each extending between the terminal end portion and the base portion and coupling the first and second faces , and wherein the plurality of lithium ion battery cells are configured such that no opposing normal forces are placed on the respective first and second faces of each lithium ion battery cell ; wherein the cell thickness (CT) of the prismatic cell casing corresponds to a distance between the first and second faces , the cell width (CW) of the prismatic cell corresponds to a distance between respective outermost surfaces of the first and second sides , and the cell length (CL) of the prismatic cell casing corresponds to a distance between the terminal end portion and the base portion ; wherein the cell thickness (CT), the cell width (CW), the cell length (CL), and the electrochemically active components are such that the lithium ion battery cell has a volumetric energy density between 67 Watt-hours per Liter, Wh/L, and 251 Wh/L, and has a nominal voltage between 2.0 V and 4.2 V, wherein the housing of the lithium ion battery module comprises a base having dimensions constituting a base length (L) and a base width (W), wherein the base length (L) of the housing is between 150 mm and 450 mm and the base width (W) of the housing is between 100 mm and 200 mm, wherein the cell thickness (CT) of each prismatic cell casing is between 13 mm and 15 mm, wherein the cell length (CL) of each prismatic cell casing is between 138 mm and 142 mm, wherein the cell width (CW) of each prismatic cell casing is between 109 mm and 114 mm, and wherein a volume of each prismatic casing is between 0.2 L and 0.24 L. - a plurality of prismatic lithium ion battery cells disposed in a housing of the lithium ion battery module in adjacent columns, wherein the prismatic lithium ion battery cells of the plurality of prismatic lithium ion battery cells are electrically coupled to one another and to a terminal of the lithium ion battery module ; - a prismatic cell casing enclosing electrochemically active components including lithium nickel cobalt manganese oxide (NMC, LiNi x Mn y Co z O 2 , where x+y+z=1) as cathode active material and lithium titanate (LTO) as anode active material, wherein the prismatic cell casing comprises a terminal end portion having cell terminals disposed thereon, a base portion substantially opposite the terminal end portion , a first face and a second face each extending between the terminal end portion and the base portion , and a first side and a second side each extending between the terminal end portion and the base portion and coupling the first and second faces , and wherein the plurality of lithium ion battery cells are configured such that no opposing normal forces are placed on the respective first and second faces of each lithium ion battery cell ; <EOS>