TECHNOLOGY FOCUS - ELECTRONICS - Preferred Cell: The mating surface of the first cell is a plastic or plastic-containing substrate selected from electrically conductive substrate and/or thermally conductive substrate. The plastic or plastic containing substrate is a molded substrate selected from injection molded substrate and/or compression molded substrate. The substrate is a machined substrate or a vacuum-formed substrate. The plastic or plastic containing substrate is electrically conductive or includes electrically conductive particles. (c1) Is adhesively bonded to the mating surface of the first cell. (c1) Is further optionally adhesively bonded to the mating surface of the second fuel cell.Preferred Components: The first or second cell component is cathode flow field plate, anode flow field plate, gas diffusion layer, anode catalyst layer, cathode catalyst layer, membrane electrolyte and/or membrane-electrode-assembly frame.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: (Meth)acrylate component comprises a mono functional (meth)acrylate and/or poly-functional (meth)acrylate component. The mono-functional (meth)acrylate component is a compound of formula CH2=C(R)COOR1. The poly-functional (meth)acrylate component is a compound of formula CH2=CR3-COO-(-(CH2)m-(-CR4R2)v-CR2R2-O-)n-CO-CR3=CH2. The boron-containing initiator comprises an alkyl borohydride. The alkyl borohydride is a compound of formula B-R5R6R7R8M+. Boron-containing initiator further includes a polyfunctional aziridine, preferably a complex of an organoborane and polyaziridine of formula (II). The boron-containing initiator may be a complex of trialkyl borane or alkyl cycloalkyl borane of formula (R20)3-B- and an amine compound having an amidine structural component of formula R24_C(NR23)=N(R25)-; an aliphatic heterocycle having at least one nitrogen in the heterocyclic ring (optionally containing at least one N, O, S atom or double bonds); primary amine of formula -NH2(CH2)b-(C(R21)2)a, and having at least one hydrogen bond accepting group with at least two carbon atoms between the primary amine and the hydrogen bond accepting group, such that due to inter- or intramolecular interactions within the complex, the strength of the B-N bond is increased; and a conjugated imine of formula -NR25=CR26-(CR26=CR26)c. The organoborane heterocyclic amine complex is of formula (III).R=H, CH3, C2H5 or halo;R1=1-8C mono- or bicycloalkyl, 3 - 8-membered heterocyclic radial with a maximum of two oxygen atoms in the heterocycle, H, (hydroxy)alkyl or aminoalkyl (the alkyl is l-8C alkyl);R2=H, 1-4C alkyl, 1-4C hydroxyalky1 or -CH2-O-CO-CR3=CH2;R3=H, halo, 1-4C alkyl, 1-8C mono- or bicycloalkyl, 3 - 8 membered heterocyclic radical with a maximum of two oxygen atoms in the ring;R4=H, OH or -CH2-O-CO-CR3=CH2;m=1 - 8;n=1 - 20;andv=0 or 1;R5 and R14=1-10C alkyl;R6 - R8=R5, 3-10C cycloalkyl (both optionally substituted by phenyl), H or Ph;M+=metal ion, alkyloxy metal ion, alkali metal ion and/or quaternary ammonium cation;X'=O, S or CHR13;G=-(CR11R12)n- or 1,2 phenylene substituted by R13;R9 and R10=R5 or 6-12C aryl (both optionally substituted);R11 - R13=R5, 1-10C alkylene (both optionally substituted), H, aryl or substituted 7-12C aryl;n'=1 - 5;M'=group IA metal, group IIA metal, ammonium, tetraalkyl ammonium, phosphonium or metal complex;andm'=+1 - +7;R15 and R16=R5, 3-10C cycloalkyl (both optionally substituted by phenyl) or phenyl;R17=polyvalent 1-60C alkyl, 6-65C aryl, 7-66C alkylaryl (all optionally substituted or interrupted by at least one hetero atom or hetero-atom containing group);R18 and R19=H or R5;y=1 - 4; andx=2 - 15;B=boron;R20=R5, 3-10 cycloalkyl or a cycloaliphatic ring formed from at least two 1-10C alkyl or the 3-10C cycloalkyl;R21 - R25=H, R5 or 3-10C cycloalkyl;R23 + R24, R24 + R25, R25 + R23 and R23 + R24 + R25=single or multiple ring which includes at least one N, O or unsaturation in the ring;R26=H, R5 or 3-10C cycloalkyl, Y', -(C(R26)2-(CR26=CR26)c-Y;at least two R26=ring;at least one R26 + Y'=ring conjugated with respect to double bond of imine nitrogen;Y'=H, N(R27)2, OR27, C(O)OR27, halo or alkylene group which forms a cyclic ring with R25 or R26;R27=H, R5 alkyl, 3-10C cycloalkyl, 6-10C aryl or alkaryl;Z=O or NR27;a, c and x=1 - 10;b and y=0 or 1;a+b=2 - 10.Provided that(1) total of all occurrence of x is 2 - 10;(2) any two of Rl - R4 and R14 - R16 is optionally part of a carbocyclic ring; and(3) y is at least 1.3 times greater than x.