Abstract:
The present disclosure provides a metal compound. The metal compound is represented by a formula (I): Cu2AαB2-αO4-β (I). A contains at least one element selected from the groups 6 and 8 of the periodic table. B contains at least one element selected from the group 13 of the periodic table, 0
Abstract:
A ceramic and a preparation method therefor are provided. The ceramic includes a zirconia matrix, and an additive dispersed inside and on an outer surface of the zirconia matrix. The additive is an oxide including elements A and B, where A is selected from at least one of Ca, Sr, Ba, Y, and La, and B is selected from at least one of Cr, Mn, Fe, Co, and Ni.
Abstract:
The present disclosure provides a magnesium alloy and a preparation method and an application thereof. Based on the total weight of the magnesium alloy, the magnesium alloy includes 2-3.5 wt% of Ce, 0.01-0.2 wt% of R, 0.8-1.5 wt% of Mn, 0-0.01 wt% of Fe, 0-0.01 wt% of Cu, 0-0.01 wt% of Ni, 0-0.01 wt% of Co, 0-0.01 wt% of Sn, 0-0.01 wt% of Ca, and 94.74-97.19 wt% of Mg, wherein R is at least one selected from Al and Zn.
Abstract:
The present disclosure provides a metal compound. The metal compound is represented by a formula(I): Cu 2 A α B 2-α O 4-β . A contains at least one element selected from the groups 6 and 8 of the periodic table. B contains at least one element selected from the group13 of the periodic table, 0
Abstract:
An electric heater, and an apparatus, a heating and air conditioning system and a vehicle, each comprising the electric heater, are provided. The electric heater comprises an outer frame; a heating core configured to connect to a power source and disposed within the outer frame; and a sealing-waterproof glue member disposed within the outer frame and configured to encase at least one end of the heating core. The heating core further comprises: a plurality of heat dissipating components and heating components arranged alternately, and each of the heat dissipating component is coupled with a heating component via a thermal conductor. Each of the heating components further comprises a core tube and a positive temperature coefficient thermistor disposed in the core tube.
Abstract:
An amorphous alloy and a method for preparing the amorphous alloy are provided. The amorphous alloy is represented by a formula of (Zr,Hf) a M b N c Be d . M contains at least one element selected from transition group elements. N contains at least one selected from Al and Ti. And 40≤a≤70, 10≤b≤40, 5≤c≤20, 5≤d≤25, and a+b+c+d=100. The ratio of an atomic percentage of Hf to an atomic percentage of Zr is in a range of about 0.01 to about 5.
Abstract:
A sealing assembly for a battery, a method of preparing the sealing assembly and a lithium ion battery are provided. The sealing assembly for a battery comprises: a ceramic ring (3) having a receiving hole (31), a metal ring (4) fitted over the ceramic ring (3) for sealing an open end of the battery, and a column (2) formed in the receiving hole (31) which comprises a metal-metal composite (21), wherein the metal-metal composite (21) comprises: a metal porous body, and a metal material filled in pores of the metal porous body.