Active material, electrode, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus
View Patent ↗A secondary battery includes: a cathode; an anode; and an electrolytic solution. The anode includes a lithium composite oxide represented by following Formula (1), Li w Zn x Sn y M z O 4 (1) where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
1. A secondary battery comprising:
a cathode;
an anode; and
an electrolytic solution, wherein
the anode includes a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
2. The secondary battery according to claim 1 , wherein the lithium composite oxide is represented by following Formula (2),
Li a Co b Mg c Zn d Ni e Sn f X g O 4 (2)
where X is one or more of Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and a to g satisfy 0.3≦a≦1, 0≦b≦1, 0≦c≦1, 0.3≦d≦1, 0≦e≦1, 0.8≦f≦1.2, 0≦g≦0.05, (a+b+c+d+e+f+g)=3, and (c+d+g)≦1.3.
3. The secondary battery according to claim 2 , wherein the lithium composite oxide is represented by following Formula (3),
Li a Co b Mg c Zn d Ni e Sn f O 4 (3)
where a to f satisfy 0.3≦a≦1, 0≦b≦1, 0≦c≦1, 0.3≦d≦1, 0≦e≦1, 0.8≦f≦1.2, (a+b+c+d+e+f)=3, and (c+d)≦1.3.
4. The secondary battery according to claim 1 , wherein the secondary battery is a lithium ion secondary battery.
5. An electrode comprising
a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
6. An active material comprising
a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
7. A battery pack comprising:
a secondary battery;
a control section configured to control operation of the secondary battery; and
a switch section configured to switch the operation of the secondary battery according to an instruction of the control section, wherein
the secondary battery includes
a cathode,
an anode, and
an electrolytic solution, and
the anode includes a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
8. An electric vehicle comprising:
a secondary battery;
a conversion section configured to convert electric power supplied from the secondary battery into drive power;
a drive section configured to operate according to the drive power; and
a control section configured to control operation of the secondary battery, wherein
the secondary battery includes
a cathode,
an anode, and
an electrolytic solution, and
the anode includes a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
9. An electric power storage system comprising:
a secondary battery;
one or more electric devices configured to be supplied with electric power from the secondary battery; and
a control section configured to control the supplying of the electric power from the secondary battery to the one or more electric devices, wherein
the secondary battery includes
a cathode,
an anode, and
an electrolytic solution, and
the anode includes a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
10. An electric power tool comprising:
a secondary battery; and
a movable section configured to be supplied with electric power from the secondary battery, wherein
the secondary battery includes
a cathode,
an anode, and
an electrolytic solution, and
the anode includes a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.
11. An electronic apparatus comprising
a secondary battery as an electric power supply source, wherein
the secondary battery includes
a cathode,
an anode, and
an electrolytic solution, and
the anode includes a lithium composite oxide represented by following Formula (1),
Li w Zn x Sn y M z O 4 (1)
where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3≦w≦1, 0.3≦x≦1, 0.8≦y≦1.2, and (w+x+y+z)=3.