Abstract: A phase change thermal management device includes a casing, a plurality of inner walls and a phase change material. The casing defines an internal space. The inner walls are arranged in the internal space and crossed one another to form a plurality of accommodation cells. Two adjacent accommodation cells are communicated with each other through at least one opening on one of the inner walls. The phase change material is provided in at least portions of the accommodation cells.

Abstract: An iron-based biodegradable component includes an iron element of 60 to 99.5 parts by weight and modifying material of 0.5 to 40 parts by weight, wherein the modifying material includes at least one of a zinc element of 0.1 to 5 parts by weight and a biodegradable ceramic material of 0.1 to 40 parts by weight.

Abstract: A power supplying device and a heating system are disclosed. The power supplying device includes a first base, a thermoelectric transmitting module, a conducting circuit, and a second base. The first base has a first flow path and a supporting surface. The thermoelectric transmitting module is disposed on the supporting surface. The conducting circuit is disposed on the supporting surface and electrically connected to the thermoelectric transmitting module. At least one portion of a projection of the first flow path to the supporting surface overlaps the conducting circuit. The second base is stacked on the thermoelectric transmitting module, and the thermoelectric transmitting module is positioned between the first base and the second base. The heating system includes the power supplying device and a heater powered by the power supplying device.

Abstract: An electrically conductive material includes a plurality of nanowires and a plurality of nanoconnectors. The ratio by weight of the plurality of nanowires to the plurality of nanoconnectors is in a range of from 1:9 to 9:1. Nanoconnectors can be heated by thermal energy or light energy so that the nanoconnectors can be closely interconnected to each other and to nanowires, resulting in significant increase of the electrical conductivity of the electrically conductive material.

Abstract: A thermoelectric alloy material and thermoelectric element are provided, wherein the thermoelectric alloy material includes a Half-Heusler (HH) composition as matrix. The thermoelectric alloy material is represented by following formula (I): (Zra1Hfb1)x(Fec1Cod1)y(Sbe1Snf1)z ??(I) In the formula (I), 0<a1<1, 0<b1<1, 0<c1<1, 0<d1<1, 0<e1<1, 0<f1<1, a1+b1=1, c1+d1=1, e1+f1=1, c1?f1, and 0.25?x, y, z?0.35.

Abstract: An electrically conductive material includes a plurality of nanowires and a plurality of nanoconnectors. The ratio by weight of the plurality of nanowires to the plurality of nanoconnectors is in a range of from 1:9 to 9:1. Nanoconnectors can be heated by thermal energy or light energy so that the nanoconnectors can be closely interconnected to each other and to nanowires, resulting in significant increase of the electrical conductivity of the electrically conductive material.

Abstract: A composite material of complex alloy is provided and it is the Ceramic-Metal Composite based on a thermoelectric material filled with ceramic material. The composite material is represented by the following general formula (I). A1?xBx ??(I) In the general formula (I), 0.05?X?0.2; A represents a Half-Heusler thermoelectric material and its proportional composition is represented with the following formula (II). (Tia1Zrb1Hfc1)1?y?zNiy Snz ??(II) In the general formula (II), 0<a1<1, 0<b1<1, 0<c1<1, a1+b1+c1=1, 0.25?y?0.35, and 0.25?z?0.35; B represents at least one element selected from a group of C, O, and N.