**2. Materials and Methodology**

The section interprets the structural design, thermoelectric function testing, and empirical formula derivation of the thermoelectric performance of the novel TEP, which working principle uses the concepts of heat conduction of the heat pipe and power generation of the electrochemical cell and employs the polymeric nanofluids as electrolysis liquid to improve the thermoelectric performance. Separately, deducing the thermal conductivity of the novel TEP by thermal resistance analysis and measuring the output current and power density of the novel TEP at different temperatures are exploited to derive the empirical formula of the thermoelectric performance via the intelligent dimensional analysis [22] with various experimental data.
