A material for forming an underlayer film for lithography, in which a compound represented by the following formula (0) is used.

##STR00001##

(in formula (0), each X independently represents an oxygen atom or a sulfur atom, or a non-crosslinked state, R.sup.1 represents a 2n-valent group having 1 to 30 carbon atoms, or a single bond, each R.sup.0 independently represents a straight, branched or cyclic alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, a straight, branched or cyclic alkenyl group having 2 to 30 carbon atoms, a thiol group, a halogen group, a nitro group, an amino group, a carboxylic acid group or a hydroxyl group, the alkyl group, the alkenyl group and the aryl group each optionally include a cyanato group, a thiol group, a halogen group, a nitro group, an amino group, a carboxylic acid group, a hydroxyl group, an ether bond, a ketone bond or an ester bond, each m.sub.1 is independently an integer of 0 to 4, in which at least one m.sub.1 is an integer of 1 to 4, each m.sub.2 is independently an integer of 0 to 3, n is an integer of 1 to 4, and each p is independently 0 or 1.)

An electrolyte, a secondary battery, and an electric device. The electrolyte comprises a component, a nitrile solvent. The nitrile solvent comprises a compound represented by formula (1): wherein: L is selected from any one of C(R.sub.1R.sub.2), O, Si(R.sub.3R.sub.4), B(R.sub.5), P(R.sub.6R.sub.7R.sub.8), and N(R.sub.9); R.sub.1-R.sub.9 are each independently selected from at least one of H, halogen, substituted or unsubstituted alkyl having 1-3 carbon atoms, alkoxy having 1-3 carbon atoms, amino, and cyano, and R.sub.1 and R.sub.2 are not cyanos and H; R.sub.11 is an alkane chain containing 1-4 carbon atoms; R.sub.12-R.sub.14 are each independently selected from at least one of H, halogen, substituted or unsubstituted alkyl having 1-3 carbon atoms, alkoxy having 1-3 carbon atoms, amino, and cyano; and when L is C(R.sub.1R.sub.2), R.sub.12-R.sub.14 are not cyanos.

An electrolyte, a secondary battery, and an electric device. The electrolyte comprises a component, a nitrile solvent. The nitrile solvent comprises a compound represented by formula (1): wherein: L is selected from any one of C(R.sub.1R.sub.2), O, Si(R.sub.3R.sub.4), B(R.sub.5), P(R.sub.6R.sub.7R.sub.8), and N(R.sub.9); R.sub.1-R.sub.9 are each independently selected from at least one of H, halogen, substituted or unsubstituted alkyl having 1-3 carbon atoms, alkoxy having 1-3 carbon atoms, amino, and cyano, and R.sub.1 and R.sub.2 are not cyanos and H; R.sub.11 is an alkane chain containing 1-4 carbon atoms; R.sub.12-R.sub.14 are each independently selected from at least one of H, halogen, substituted or unsubstituted alkyl having 1-3 carbon atoms, alkoxy having 1-3 carbon atoms, amino, and cyano; and when L is C(R.sub.1R.sub.2), R.sub.12-R.sub.14 are not cyanos.